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Finding the Fourth Proportional to 101,861.92, 152,700.52 and 55,060.12

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Solution

The fourth proportional to 101,861.92, 152,700.52 and 55,060.12 is: 82,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,861.92 : 152,700.52 = 55,060.12 : x
  2. Step 2: Convert to fraction form
    101,861.92/152,700.52 = 55,060.12/x
  3. Step 3: Cross multiply
    101,861.92x = 152,700.52 × 55,060.12
  4. Step 4: Simplify right side
    101,861.92x = 8,407,708,955.26
  5. Step 5: Solve for x
    x = 8,407,708,955.26/101,861.92
  6. Step 6: Final answer
    x = 82,540.26

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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.