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Finding the Fourth Proportional to 234,761.25, 323,987.28 and 132,787.65

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Solution

The fourth proportional to 234,761.25, 323,987.28 and 132,787.65 is: 183,256.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,761.25 : 323,987.28 = 132,787.65 : x
  2. Step 2: Convert to fraction form
    234,761.25/323,987.28 = 132,787.65/x
  3. Step 3: Cross multiply
    234,761.25x = 323,987.28 × 132,787.65
  4. Step 4: Simplify right side
    234,761.25x = 43,021,509,541.09
  5. Step 5: Solve for x
    x = 43,021,509,541.09/234,761.25
  6. Step 6: Final answer
    x = 183,256.43

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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.