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Finding the Fourth Proportional to 59,892.30, 89,838.45 and 41,229.90

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Solution

The fourth proportional to 59,892.30, 89,838.45 and 41,229.90 is: 61,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,892.30 : 89,838.45 = 41,229.90 : x
  2. Step 2: Convert to fraction form
    59,892.30/89,838.45 = 41,229.90/x
  3. Step 3: Cross multiply
    59,892.30x = 89,838.45 × 41,229.90
  4. Step 4: Simplify right side
    59,892.30x = 3,704,030,309.66
  5. Step 5: Solve for x
    x = 3,704,030,309.66/59,892.30
  6. Step 6: Final answer
    x = 61,844.85

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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.