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Finding the Fourth Proportional to 179,157.62, 268,751.31 and 54,499.70

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Solution

The fourth proportional to 179,157.62, 268,751.31 and 54,499.70 is: 81,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,157.62 : 268,751.31 = 54,499.70 : x
  2. Step 2: Convert to fraction form
    179,157.62/268,751.31 = 54,499.70/x
  3. Step 3: Cross multiply
    179,157.62x = 268,751.31 × 54,499.70
  4. Step 4: Simplify right side
    179,157.62x = 14,646,865,769.61
  5. Step 5: Solve for x
    x = 14,646,865,769.61/179,157.62
  6. Step 6: Final answer
    x = 81,754.08

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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.