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Finding the Fourth Proportional to 63,126.48, 87,115.04 and 34,834.08

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Solution

The fourth proportional to 63,126.48, 87,115.04 and 34,834.08 is: 48,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.48 : 87,115.04 = 34,834.08 : x
  2. Step 2: Convert to fraction form
    63,126.48/87,115.04 = 34,834.08/x
  3. Step 3: Cross multiply
    63,126.48x = 87,115.04 × 34,834.08
  4. Step 4: Simplify right side
    63,126.48x = 3,034,572,272.56
  5. Step 5: Solve for x
    x = 3,034,572,272.56/63,126.48
  6. Step 6: Final answer
    x = 48,071.30

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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.