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Finding the Fourth Proportional to 361,221.25, 541,857.86 and 124,560.52

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Solution

The fourth proportional to 361,221.25, 541,857.86 and 124,560.52 is: 186,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,221.25 : 541,857.86 = 124,560.52 : x
  2. Step 2: Convert to fraction form
    361,221.25/541,857.86 = 124,560.52/x
  3. Step 3: Cross multiply
    361,221.25x = 541,857.86 × 124,560.52
  4. Step 4: Simplify right side
    361,221.25x = 67,494,096,807.69
  5. Step 5: Solve for x
    x = 67,494,096,807.69/361,221.25
  6. Step 6: Final answer
    x = 186,849.74

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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.