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Finding the Fourth Proportional to 178,952.32, 268,231.64 and 73,713.88

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Solution

The fourth proportional to 178,952.32, 268,231.64 and 73,713.88 is: 110,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,952.32 : 268,231.64 = 73,713.88 : x
  2. Step 2: Convert to fraction form
    178,952.32/268,231.64 = 73,713.88/x
  3. Step 3: Cross multiply
    178,952.32x = 268,231.64 × 73,713.88
  4. Step 4: Simplify right side
    178,952.32x = 19,772,394,923.16
  5. Step 5: Solve for x
    x = 19,772,394,923.16/178,952.32
  6. Step 6: Final answer
    x = 110,489.74

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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.