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Finding the Fourth Proportional to 71,062.14, 98,063.17 and 39,230.35

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Solution

The fourth proportional to 71,062.14, 98,063.17 and 39,230.35 is: 54,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,062.14 : 98,063.17 = 39,230.35 : x
  2. Step 2: Convert to fraction form
    71,062.14/98,063.17 = 39,230.35/x
  3. Step 3: Cross multiply
    71,062.14x = 98,063.17 × 39,230.35
  4. Step 4: Simplify right side
    71,062.14x = 3,847,052,481.21
  5. Step 5: Solve for x
    x = 3,847,052,481.21/71,062.14
  6. Step 6: Final answer
    x = 54,136.46

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1.5x scale

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.