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Finding the Fourth Proportional to 68,606.73, 102,910.10 and 45,227.70

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Solution

The fourth proportional to 68,606.73, 102,910.10 and 45,227.70 is: 67,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,606.73 : 102,910.10 = 45,227.70 : x
  2. Step 2: Convert to fraction form
    68,606.73/102,910.10 = 45,227.70/x
  3. Step 3: Cross multiply
    68,606.73x = 102,910.10 × 45,227.70
  4. Step 4: Simplify right side
    68,606.73x = 4,654,386,903.63
  5. Step 5: Solve for x
    x = 4,654,386,903.63/68,606.73
  6. Step 6: Final answer
    x = 67,841.55

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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.