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Finding the Fourth Proportional to 239,854.29, 330,999.42 and 132,424.53

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Solution

The fourth proportional to 239,854.29, 330,999.42 and 132,424.53 is: 182,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,854.29 : 330,999.42 = 132,424.53 : x
  2. Step 2: Convert to fraction form
    239,854.29/330,999.42 = 132,424.53/x
  3. Step 3: Cross multiply
    239,854.29x = 330,999.42 × 132,424.53
  4. Step 4: Simplify right side
    239,854.29x = 43,832,442,623.77
  5. Step 5: Solve for x
    x = 43,832,442,623.77/239,854.29
  6. Step 6: Final answer
    x = 182,746.13

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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.