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Finding the Fourth Proportional to 239,866.52, 331,020.96 and 132,443.34

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Solution

The fourth proportional to 239,866.52, 331,020.96 and 132,443.34 is: 182,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,866.52 : 331,020.96 = 132,443.34 : x
  2. Step 2: Convert to fraction form
    239,866.52/331,020.96 = 132,443.34/x
  3. Step 3: Cross multiply
    239,866.52x = 331,020.96 × 132,443.34
  4. Step 4: Simplify right side
    239,866.52x = 43,841,521,552.41
  5. Step 5: Solve for x
    x = 43,841,521,552.41/239,866.52
  6. Step 6: Final answer
    x = 182,774.66

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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.