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Finding the Fourth Proportional to 230,679.83, 345,901.25 and 104,251.59

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Solution

The fourth proportional to 230,679.83, 345,901.25 and 104,251.59 is: 156,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,679.83 : 345,901.25 = 104,251.59 : x
  2. Step 2: Convert to fraction form
    230,679.83/345,901.25 = 104,251.59/x
  3. Step 3: Cross multiply
    230,679.83x = 345,901.25 × 104,251.59
  4. Step 4: Simplify right side
    230,679.83x = 36,060,755,556.12
  5. Step 5: Solve for x
    x = 36,060,755,556.12/230,679.83
  6. Step 6: Final answer
    x = 156,323.83

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1.5x scale

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.