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Finding the Fourth Proportional to 63,414.40, 95,121.60 and 42,524.80

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Solution

The fourth proportional to 63,414.40, 95,121.60 and 42,524.80 is: 63,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,414.40 : 95,121.60 = 42,524.80 : x
  2. Step 2: Convert to fraction form
    63,414.40/95,121.60 = 42,524.80/x
  3. Step 3: Cross multiply
    63,414.40x = 95,121.60 × 42,524.80
  4. Step 4: Simplify right side
    63,414.40x = 4,045,027,015.68
  5. Step 5: Solve for x
    x = 4,045,027,015.68/63,414.40
  6. Step 6: Final answer
    x = 63,787.20

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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.