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Finding the Fourth Proportional to 66,712.96, 100,183.92 and 59,233.42

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Solution

The fourth proportional to 66,712.96, 100,183.92 and 59,233.42 is: 88,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,712.96 : 100,183.92 = 59,233.42 : x
  2. Step 2: Convert to fraction form
    66,712.96/100,183.92 = 59,233.42/x
  3. Step 3: Cross multiply
    66,712.96x = 100,183.92 × 59,233.42
  4. Step 4: Simplify right side
    66,712.96x = 5,934,236,210.61
  5. Step 5: Solve for x
    x = 5,934,236,210.61/66,712.96
  6. Step 6: Final answer
    x = 88,951.78

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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.