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Finding the Fourth Proportional to 358,793.55, 538,176.85 and 88,922.57

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Solution

The fourth proportional to 358,793.55, 538,176.85 and 88,922.57 is: 133,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,793.55 : 538,176.85 = 88,922.57 : x
  2. Step 2: Convert to fraction form
    358,793.55/538,176.85 = 88,922.57/x
  3. Step 3: Cross multiply
    358,793.55x = 538,176.85 × 88,922.57
  4. Step 4: Simplify right side
    358,793.55x = 47,856,068,616.50
  5. Step 5: Solve for x
    x = 47,856,068,616.50/358,793.55
  6. Step 6: Final answer
    x = 133,380.52

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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.