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Finding the Fourth Proportional to 63,129.34, 87,114.81 and 34,834.96

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Solution

The fourth proportional to 63,129.34, 87,114.81 and 34,834.96 is: 48,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.34 : 87,114.81 = 34,834.96 : x
  2. Step 2: Convert to fraction form
    63,129.34/87,114.81 = 34,834.96/x
  3. Step 3: Cross multiply
    63,129.34x = 87,114.81 × 34,834.96
  4. Step 4: Simplify right side
    63,129.34x = 3,034,640,921.76
  5. Step 5: Solve for x
    x = 3,034,640,921.76/63,129.34
  6. Step 6: Final answer
    x = 48,070.21

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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.