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Finding the Fourth Proportional to 40,842,983.30, 57,222,691.90 and 40,842,983.30

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Solution

The fourth proportional to 40,842,983.30, 57,222,691.90 and 40,842,983.30 is: 57,222,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,842,983.30 : 57,222,691.90 = 40,842,983.30 : x
  2. Step 2: Convert to fraction form
    40,842,983.30/57,222,691.90 = 40,842,983.30/x
  3. Step 3: Cross multiply
    40,842,983.30x = 57,222,691.90 × 40,842,983.30
  4. Step 4: Simplify right side
    40,842,983.30x = 2,337,145,449,652,745
  5. Step 5: Solve for x
    x = 2,337,145,449,652,745/40,842,983.30
  6. Step 6: Final answer
    x = 57,222,691.90

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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.