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Finding the Fourth Proportional to 239,892.72, 331,052.45 and 132,462.96

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Solution

The fourth proportional to 239,892.72, 331,052.45 and 132,462.96 is: 182,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,892.72 : 331,052.45 = 132,462.96 : x
  2. Step 2: Convert to fraction form
    239,892.72/331,052.45 = 132,462.96/x
  3. Step 3: Cross multiply
    239,892.72x = 331,052.45 × 132,462.96
  4. Step 4: Simplify right side
    239,892.72x = 43,852,186,779.94
  5. Step 5: Solve for x
    x = 43,852,186,779.94/239,892.72
  6. Step 6: Final answer
    x = 182,799.16

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Why These Related Problems?

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