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Finding the Fourth Proportional to 83,034.56, 124,650.48 and 65,516.96

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Solution

The fourth proportional to 83,034.56, 124,650.48 and 65,516.96 is: 98,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,034.56 : 124,650.48 = 65,516.96 : x
  2. Step 2: Convert to fraction form
    83,034.56/124,650.48 = 65,516.96/x
  3. Step 3: Cross multiply
    83,034.56x = 124,650.48 × 65,516.96
  4. Step 4: Simplify right side
    83,034.56x = 8,166,720,512.14
  5. Step 5: Solve for x
    x = 8,166,720,512.14/83,034.56
  6. Step 6: Final answer
    x = 98,353.27

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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.