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Finding the Fourth Proportional to 132,787.52, 183,425.80 and 123,339.68

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Solution

The fourth proportional to 132,787.52, 183,425.80 and 123,339.68 is: 170,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,787.52 : 183,425.80 = 123,339.68 : x
  2. Step 2: Convert to fraction form
    132,787.52/183,425.80 = 123,339.68/x
  3. Step 3: Cross multiply
    132,787.52x = 183,425.80 × 123,339.68
  4. Step 4: Simplify right side
    132,787.52x = 22,623,679,475.74
  5. Step 5: Solve for x
    x = 22,623,679,475.74/132,787.52
  6. Step 6: Final answer
    x = 170,375.04

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1.5x scale

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.