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Finding the Fourth Proportional to 239,854.28, 330,999.41 and 132,424.52

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Solution

The fourth proportional to 239,854.28, 330,999.41 and 132,424.52 is: 182,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,854.28 : 330,999.41 = 132,424.52 : x
  2. Step 2: Convert to fraction form
    239,854.28/330,999.41 = 132,424.52/x
  3. Step 3: Cross multiply
    239,854.28x = 330,999.41 × 132,424.52
  4. Step 4: Simplify right side
    239,854.28x = 43,832,437,989.53
  5. Step 5: Solve for x
    x = 43,832,437,989.53/239,854.28
  6. Step 6: Final answer
    x = 182,746.12

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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.