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Finding the Fourth Proportional to 123,902.80, 185,861.28 and 35,149.32

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Solution

The fourth proportional to 123,902.80, 185,861.28 and 35,149.32 is: 52,725.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,902.80 : 185,861.28 = 35,149.32 : x
  2. Step 2: Convert to fraction form
    123,902.80/185,861.28 = 35,149.32/x
  3. Step 3: Cross multiply
    123,902.80x = 185,861.28 × 35,149.32
  4. Step 4: Simplify right side
    123,902.80x = 6,532,897,606.33
  5. Step 5: Solve for x
    x = 6,532,897,606.33/123,902.80
  6. Step 6: Final answer
    x = 52,725.99

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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.