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Finding the Fourth Proportional to 67,877.88, 101,819.56 and 32,320.90

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Solution

The fourth proportional to 67,877.88, 101,819.56 and 32,320.90 is: 48,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,877.88 : 101,819.56 = 32,320.90 : x
  2. Step 2: Convert to fraction form
    67,877.88/101,819.56 = 32,320.90/x
  3. Step 3: Cross multiply
    67,877.88x = 101,819.56 × 32,320.90
  4. Step 4: Simplify right side
    67,877.88x = 3,290,899,816.80
  5. Step 5: Solve for x
    x = 3,290,899,816.80/67,877.88
  6. Step 6: Final answer
    x = 48,482.65

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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.