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Finding the Fourth Proportional to 95,152.52, 131,299.89 and 52,700.42

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Solution

The fourth proportional to 95,152.52, 131,299.89 and 52,700.42 is: 72,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,152.52 : 131,299.89 = 52,700.42 : x
  2. Step 2: Convert to fraction form
    95,152.52/131,299.89 = 52,700.42/x
  3. Step 3: Cross multiply
    95,152.52x = 131,299.89 × 52,700.42
  4. Step 4: Simplify right side
    95,152.52x = 6,919,559,479.58
  5. Step 5: Solve for x
    x = 6,919,559,479.58/95,152.52
  6. Step 6: Final answer
    x = 72,720.72

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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.