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Finding the Fourth Proportional to 123,877.80, 185,801.46 and 73,306.92

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Solution

The fourth proportional to 123,877.80, 185,801.46 and 73,306.92 is: 109,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,877.80 : 185,801.46 = 73,306.92 : x
  2. Step 2: Convert to fraction form
    123,877.80/185,801.46 = 73,306.92/x
  3. Step 3: Cross multiply
    123,877.80x = 185,801.46 × 73,306.92
  4. Step 4: Simplify right side
    123,877.80x = 13,620,532,764.10
  5. Step 5: Solve for x
    x = 13,620,532,764.10/123,877.80
  6. Step 6: Final answer
    x = 109,951.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.