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Finding the Fourth Proportional to 179,261, 247,396.68 and 98,704.88

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Solution

The fourth proportional to 179,261, 247,396.68 and 98,704.88 is: 136,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,261 : 247,396.68 = 98,704.88 : x
  2. Step 2: Convert to fraction form
    179,261/247,396.68 = 98,704.88/x
  3. Step 3: Cross multiply
    179,261x = 247,396.68 × 98,704.88
  4. Step 4: Simplify right side
    179,261x = 24,419,259,611.80
  5. Step 5: Solve for x
    x = 24,419,259,611.80/179,261
  6. Step 6: Final answer
    x = 136,221.82

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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.