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Finding the Fourth Proportional to 159,544, 220,169.10 and 95,057.74

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Solution

The fourth proportional to 159,544, 220,169.10 and 95,057.74 is: 131,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,544 : 220,169.10 = 95,057.74 : x
  2. Step 2: Convert to fraction form
    159,544/220,169.10 = 95,057.74/x
  3. Step 3: Cross multiply
    159,544x = 220,169.10 × 95,057.74
  4. Step 4: Simplify right side
    159,544x = 20,928,777,063.83
  5. Step 5: Solve for x
    x = 20,928,777,063.83/159,544
  6. Step 6: Final answer
    x = 131,178.72

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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.