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Finding the Fourth Proportional to 71,533.88, 98,734.90 and 48,882.04

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Solution

The fourth proportional to 71,533.88, 98,734.90 and 48,882.04 is: 67,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,533.88 : 98,734.90 = 48,882.04 : x
  2. Step 2: Convert to fraction form
    71,533.88/98,734.90 = 48,882.04/x
  3. Step 3: Cross multiply
    71,533.88x = 98,734.90 × 48,882.04
  4. Step 4: Simplify right side
    71,533.88x = 4,826,363,331.20
  5. Step 5: Solve for x
    x = 4,826,363,331.20/71,533.88
  6. Step 6: Final answer
    x = 67,469.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.