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Finding the Fourth Proportional to 108,246.62, 149,379.90 and 60,499.92

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Solution

The fourth proportional to 108,246.62, 149,379.90 and 60,499.92 is: 83,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,246.62 : 149,379.90 = 60,499.92 : x
  2. Step 2: Convert to fraction form
    108,246.62/149,379.90 = 60,499.92/x
  3. Step 3: Cross multiply
    108,246.62x = 149,379.90 × 60,499.92
  4. Step 4: Simplify right side
    108,246.62x = 9,037,471,999.61
  5. Step 5: Solve for x
    x = 9,037,471,999.61/108,246.62
  6. Step 6: Final answer
    x = 83,489.65

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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.