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Finding the Fourth Proportional to 60,514.70, 90,739.65 and 25,414.70

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Solution

The fourth proportional to 60,514.70, 90,739.65 and 25,414.70 is: 38,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,514.70 : 90,739.65 = 25,414.70 : x
  2. Step 2: Convert to fraction form
    60,514.70/90,739.65 = 25,414.70/x
  3. Step 3: Cross multiply
    60,514.70x = 90,739.65 × 25,414.70
  4. Step 4: Simplify right side
    60,514.70x = 2,306,120,982.86
  5. Step 5: Solve for x
    x = 2,306,120,982.86/60,514.70
  6. Step 6: Final answer
    x = 38,108.44

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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.