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Finding the Fourth Proportional to 96,799.80, 145,184.68 and 49,449.88

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Solution

The fourth proportional to 96,799.80, 145,184.68 and 49,449.88 is: 74,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,799.80 : 145,184.68 = 49,449.88 : x
  2. Step 2: Convert to fraction form
    96,799.80/145,184.68 = 49,449.88/x
  3. Step 3: Cross multiply
    96,799.80x = 145,184.68 × 49,449.88
  4. Step 4: Simplify right side
    96,799.80x = 7,179,365,003.84
  5. Step 5: Solve for x
    x = 7,179,365,003.84/96,799.80
  6. Step 6: Final answer
    x = 74,167.15

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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.