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Finding the Fourth Proportional to 45,306,063.79, 67,959,095.68 and 45,306,063.79

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Solution

The fourth proportional to 45,306,063.79, 67,959,095.68 and 45,306,063.79 is: 67,959,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,306,063.79 : 67,959,095.68 = 45,306,063.79 : x
  2. Step 2: Convert to fraction form
    45,306,063.79/67,959,095.68 = 45,306,063.79/x
  3. Step 3: Cross multiply
    45,306,063.79x = 67,959,095.68 × 45,306,063.79
  4. Step 4: Simplify right side
    45,306,063.79x = 3,078,959,123,875,528.50
  5. Step 5: Solve for x
    x = 3,078,959,123,875,528.50/45,306,063.79
  6. Step 6: Final answer
    x = 67,959,095.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.