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Finding the Fourth Proportional to 95,565.80, 143,366.82 and 31,527.82

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Solution

The fourth proportional to 95,565.80, 143,366.82 and 31,527.82 is: 47,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,565.80 : 143,366.82 = 31,527.82 : x
  2. Step 2: Convert to fraction form
    95,565.80/143,366.82 = 31,527.82/x
  3. Step 3: Cross multiply
    95,565.80x = 143,366.82 × 31,527.82
  4. Step 4: Simplify right side
    95,565.80x = 4,520,042,578.10
  5. Step 5: Solve for x
    x = 4,520,042,578.10/95,565.80
  6. Step 6: Final answer
    x = 47,297.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.