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Finding the Fourth Proportional to 240,129.87, 331,353.28 and 132,685.29

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Solution

The fourth proportional to 240,129.87, 331,353.28 and 132,685.29 is: 183,091.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,129.87 : 331,353.28 = 132,685.29 : x
  2. Step 2: Convert to fraction form
    240,129.87/331,353.28 = 132,685.29/x
  3. Step 3: Cross multiply
    240,129.87x = 331,353.28 × 132,685.29
  4. Step 4: Simplify right side
    240,129.87x = 43,965,706,215.11
  5. Step 5: Solve for x
    x = 43,965,706,215.11/240,129.87
  6. Step 6: Final answer
    x = 183,091.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.