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Finding the Fourth Proportional to 95,175.52, 142,757.76 and 28,614.20

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Solution

The fourth proportional to 95,175.52, 142,757.76 and 28,614.20 is: 42,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,175.52 : 142,757.76 = 28,614.20 : x
  2. Step 2: Convert to fraction form
    95,175.52/142,757.76 = 28,614.20/x
  3. Step 3: Cross multiply
    95,175.52x = 142,757.76 × 28,614.20
  4. Step 4: Simplify right side
    95,175.52x = 4,084,899,096.19
  5. Step 5: Solve for x
    x = 4,084,899,096.19/95,175.52
  6. Step 6: Final answer
    x = 42,919.64

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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.