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Finding the Fourth Proportional to 95,149.80, 131,301.78 and 52,705.80

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Solution

The fourth proportional to 95,149.80, 131,301.78 and 52,705.80 is: 72,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,149.80 : 131,301.78 = 52,705.80 : x
  2. Step 2: Convert to fraction form
    95,149.80/131,301.78 = 52,705.80/x
  3. Step 3: Cross multiply
    95,149.80x = 131,301.78 × 52,705.80
  4. Step 4: Simplify right side
    95,149.80x = 6,920,365,356.32
  5. Step 5: Solve for x
    x = 6,920,365,356.32/95,149.80
  6. Step 6: Final answer
    x = 72,731.27

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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.