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Finding the Fourth Proportional to 178,081.11, 245,764.87 and 101,601.89

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Solution

The fourth proportional to 178,081.11, 245,764.87 and 101,601.89 is: 140,217.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,081.11 : 245,764.87 = 101,601.89 : x
  2. Step 2: Convert to fraction form
    178,081.11/245,764.87 = 101,601.89/x
  3. Step 3: Cross multiply
    178,081.11x = 245,764.87 × 101,601.89
  4. Step 4: Simplify right side
    178,081.11x = 24,970,174,339.27
  5. Step 5: Solve for x
    x = 24,970,174,339.27/178,081.11
  6. Step 6: Final answer
    x = 140,217.99

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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.