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Finding the Fourth Proportional to 178,624.44, 268,067.88 and 89,788.50

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Solution

The fourth proportional to 178,624.44, 268,067.88 and 89,788.50 is: 134,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,624.44 : 268,067.88 = 89,788.50 : x
  2. Step 2: Convert to fraction form
    178,624.44/268,067.88 = 89,788.50/x
  3. Step 3: Cross multiply
    178,624.44x = 268,067.88 × 89,788.50
  4. Step 4: Simplify right side
    178,624.44x = 24,069,412,843.38
  5. Step 5: Solve for x
    x = 24,069,412,843.38/178,624.44
  6. Step 6: Final answer
    x = 134,748.71

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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.