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Finding the Fourth Proportional to 95,042, 131,157.96 and 55,298

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Solution

The fourth proportional to 95,042, 131,157.96 and 55,298 is: 76,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,042 : 131,157.96 = 55,298 : x
  2. Step 2: Convert to fraction form
    95,042/131,157.96 = 55,298/x
  3. Step 3: Cross multiply
    95,042x = 131,157.96 × 55,298
  4. Step 4: Simplify right side
    95,042x = 7,252,772,872.08
  5. Step 5: Solve for x
    x = 7,252,772,872.08/95,042
  6. Step 6: Final answer
    x = 76,311.24

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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.