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Finding the Fourth Proportional to 95,641.92, 143,462.88 and 25,521.48

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Solution

The fourth proportional to 95,641.92, 143,462.88 and 25,521.48 is: 38,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,641.92 : 143,462.88 = 25,521.48 : x
  2. Step 2: Convert to fraction form
    95,641.92/143,462.88 = 25,521.48/x
  3. Step 3: Cross multiply
    95,641.92x = 143,462.88 × 25,521.48
  4. Step 4: Simplify right side
    95,641.92x = 3,661,385,022.66
  5. Step 5: Solve for x
    x = 3,661,385,022.66/95,641.92
  6. Step 6: Final answer
    x = 38,282.22

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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.