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Finding the Fourth Proportional to 67,240.80, 100,861.20 and 58,930.20

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Solution

The fourth proportional to 67,240.80, 100,861.20 and 58,930.20 is: 88,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,240.80 : 100,861.20 = 58,930.20 : x
  2. Step 2: Convert to fraction form
    67,240.80/100,861.20 = 58,930.20/x
  3. Step 3: Cross multiply
    67,240.80x = 100,861.20 × 58,930.20
  4. Step 4: Simplify right side
    67,240.80x = 5,943,770,688.24
  5. Step 5: Solve for x
    x = 5,943,770,688.24/67,240.80
  6. Step 6: Final answer
    x = 88,395.30

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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.