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Finding the Fourth Proportional to 179,526.87, 247,744.09 and 98,961.87

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Solution

The fourth proportional to 179,526.87, 247,744.09 and 98,961.87 is: 136,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,526.87 : 247,744.09 = 98,961.87 : x
  2. Step 2: Convert to fraction form
    179,526.87/247,744.09 = 98,961.87/x
  3. Step 3: Cross multiply
    179,526.87x = 247,744.09 × 98,961.87
  4. Step 4: Simplify right side
    179,526.87x = 24,517,218,427.85
  5. Step 5: Solve for x
    x = 24,517,218,427.85/179,526.87
  6. Step 6: Final answer
    x = 136,565.73

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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.