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Finding the Fourth Proportional to 63,939.48, 88,239.22 and 35,645.16

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Solution

The fourth proportional to 63,939.48, 88,239.22 and 35,645.16 is: 49,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.48 : 88,239.22 = 35,645.16 : x
  2. Step 2: Convert to fraction form
    63,939.48/88,239.22 = 35,645.16/x
  3. Step 3: Cross multiply
    63,939.48x = 88,239.22 × 35,645.16
  4. Step 4: Simplify right side
    63,939.48x = 3,145,301,115.18
  5. Step 5: Solve for x
    x = 3,145,301,115.18/63,939.48
  6. Step 6: Final answer
    x = 49,191.85

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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.