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Finding the Fourth Proportional to 95,456.95, 131,730.57 and 53,019.43

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Solution

The fourth proportional to 95,456.95, 131,730.57 and 53,019.43 is: 73,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,456.95 : 131,730.57 = 53,019.43 : x
  2. Step 2: Convert to fraction form
    95,456.95/131,730.57 = 53,019.43/x
  3. Step 3: Cross multiply
    95,456.95x = 131,730.57 × 53,019.43
  4. Step 4: Simplify right side
    95,456.95x = 6,984,279,734.98
  5. Step 5: Solve for x
    x = 6,984,279,734.98/95,456.95
  6. Step 6: Final answer
    x = 73,166.80

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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.