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Finding the Fourth Proportional to 360,711.78, 541,141.47 and 124,023.70

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Solution

The fourth proportional to 360,711.78, 541,141.47 and 124,023.70 is: 186,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,711.78 : 541,141.47 = 124,023.70 : x
  2. Step 2: Convert to fraction form
    360,711.78/541,141.47 = 124,023.70/x
  3. Step 3: Cross multiply
    360,711.78x = 541,141.47 × 124,023.70
  4. Step 4: Simplify right side
    360,711.78x = 67,114,367,332.84
  5. Step 5: Solve for x
    x = 67,114,367,332.84/360,711.78
  6. Step 6: Final answer
    x = 186,060.92

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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.