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Finding the Fourth Proportional to 57,940,053.60, 86,910,080.40 and 57,044,258.40

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Solution

The fourth proportional to 57,940,053.60, 86,910,080.40 and 57,044,258.40 is: 85,566,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940,053.60 : 86,910,080.40 = 57,044,258.40 : x
  2. Step 2: Convert to fraction form
    57,940,053.60/86,910,080.40 = 57,044,258.40/x
  3. Step 3: Cross multiply
    57,940,053.60x = 86,910,080.40 × 57,044,258.40
  4. Step 4: Simplify right side
    57,940,053.60x = 4,957,721,083,902,376
  5. Step 5: Solve for x
    x = 4,957,721,083,902,376/57,940,053.60
  6. Step 6: Final answer
    x = 85,566,387.60

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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.