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Finding the Fourth Proportional to 129,062.80, 193,593.80 and 34,302.52

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Solution

The fourth proportional to 129,062.80, 193,593.80 and 34,302.52 is: 51,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,062.80 : 193,593.80 = 34,302.52 : x
  2. Step 2: Convert to fraction form
    129,062.80/193,593.80 = 34,302.52/x
  3. Step 3: Cross multiply
    129,062.80x = 193,593.80 × 34,302.52
  4. Step 4: Simplify right side
    129,062.80x = 6,640,755,331.17
  5. Step 5: Solve for x
    x = 6,640,755,331.17/129,062.80
  6. Step 6: Final answer
    x = 51,453.67

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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.