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Finding the Fourth Proportional to 363,158.88, 544,988.88 and 126,503.52

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Solution

The fourth proportional to 363,158.88, 544,988.88 and 126,503.52 is: 189,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,158.88 : 544,988.88 = 126,503.52 : x
  2. Step 2: Convert to fraction form
    363,158.88/544,988.88 = 126,503.52/x
  3. Step 3: Cross multiply
    363,158.88x = 544,988.88 × 126,503.52
  4. Step 4: Simplify right side
    363,158.88x = 68,943,011,680.86
  5. Step 5: Solve for x
    x = 68,943,011,680.86/363,158.88
  6. Step 6: Final answer
    x = 189,842.56

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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.