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Finding the Fourth Proportional to 95,585.82, 131,928.39 and 65,432.22

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Solution

The fourth proportional to 95,585.82, 131,928.39 and 65,432.22 is: 90,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,585.82 : 131,928.39 = 65,432.22 : x
  2. Step 2: Convert to fraction form
    95,585.82/131,928.39 = 65,432.22/x
  3. Step 3: Cross multiply
    95,585.82x = 131,928.39 × 65,432.22
  4. Step 4: Simplify right side
    95,585.82x = 8,632,367,438.73
  5. Step 5: Solve for x
    x = 8,632,367,438.73/95,585.82
  6. Step 6: Final answer
    x = 90,310.13

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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.