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Finding the Fourth Proportional to 66,345.30, 93,116.70 and 66,345.30

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Solution

The fourth proportional to 66,345.30, 93,116.70 and 66,345.30 is: 93,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,345.30 : 93,116.70 = 66,345.30 : x
  2. Step 2: Convert to fraction form
    66,345.30/93,116.70 = 66,345.30/x
  3. Step 3: Cross multiply
    66,345.30x = 93,116.70 × 66,345.30
  4. Step 4: Simplify right side
    66,345.30x = 6,177,855,396.51
  5. Step 5: Solve for x
    x = 6,177,855,396.51/66,345.30
  6. Step 6: Final answer
    x = 93,116.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.