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Finding the Fourth Proportional to 63,863.90, 88,128.71 and 35,177.97

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Solution

The fourth proportional to 63,863.90, 88,128.71 and 35,177.97 is: 48,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,863.90 : 88,128.71 = 35,177.97 : x
  2. Step 2: Convert to fraction form
    63,863.90/88,128.71 = 35,177.97/x
  3. Step 3: Cross multiply
    63,863.90x = 88,128.71 × 35,177.97
  4. Step 4: Simplify right side
    63,863.90x = 3,100,189,116.52
  5. Step 5: Solve for x
    x = 3,100,189,116.52/63,863.90
  6. Step 6: Final answer
    x = 48,543.69

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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.