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Finding the Fourth Proportional to 179,034.80, 268,624.92 and 90,314

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Solution

The fourth proportional to 179,034.80, 268,624.92 and 90,314 is: 135,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,034.80 : 268,624.92 = 90,314 : x
  2. Step 2: Convert to fraction form
    179,034.80/268,624.92 = 90,314/x
  3. Step 3: Cross multiply
    179,034.80x = 268,624.92 × 90,314
  4. Step 4: Simplify right side
    179,034.80x = 24,260,591,024.88
  5. Step 5: Solve for x
    x = 24,260,591,024.88/179,034.80
  6. Step 6: Final answer
    x = 135,507.68

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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.