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Finding the Fourth Proportional to 361,516.56, 541,913.84 and 124,708.16

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Solution

The fourth proportional to 361,516.56, 541,913.84 and 124,708.16 is: 186,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,516.56 : 541,913.84 = 124,708.16 : x
  2. Step 2: Convert to fraction form
    361,516.56/541,913.84 = 124,708.16/x
  3. Step 3: Cross multiply
    361,516.56x = 541,913.84 × 124,708.16
  4. Step 4: Simplify right side
    361,516.56x = 67,581,077,864.93
  5. Step 5: Solve for x
    x = 67,581,077,864.93/361,516.56
  6. Step 6: Final answer
    x = 186,937.71

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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.