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Finding the Fourth Proportional to 95,422.96, 131,687.80 and 52,981.50

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Solution

The fourth proportional to 95,422.96, 131,687.80 and 52,981.50 is: 73,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422.96 : 131,687.80 = 52,981.50 : x
  2. Step 2: Convert to fraction form
    95,422.96/131,687.80 = 52,981.50/x
  3. Step 3: Cross multiply
    95,422.96x = 131,687.80 × 52,981.50
  4. Step 4: Simplify right side
    95,422.96x = 6,977,017,175.70
  5. Step 5: Solve for x
    x = 6,977,017,175.70/95,422.96
  6. Step 6: Final answer
    x = 73,116.75

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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.