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Finding the Fourth Proportional to 95,641.88, 131,980.56 and 52,620.56

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Solution

The fourth proportional to 95,641.88, 131,980.56 and 52,620.56 is: 72,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,641.88 : 131,980.56 = 52,620.56 : x
  2. Step 2: Convert to fraction form
    95,641.88/131,980.56 = 52,620.56/x
  3. Step 3: Cross multiply
    95,641.88x = 131,980.56 × 52,620.56
  4. Step 4: Simplify right side
    95,641.88x = 6,944,890,976.31
  5. Step 5: Solve for x
    x = 6,944,890,976.31/95,641.88
  6. Step 6: Final answer
    x = 72,613.49

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1.5x scale

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.