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Finding the Fourth Proportional to 178,805.92, 246,751.14 and 98,231.71

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Solution

The fourth proportional to 178,805.92, 246,751.14 and 98,231.71 is: 135,559.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,805.92 : 246,751.14 = 98,231.71 : x
  2. Step 2: Convert to fraction form
    178,805.92/246,751.14 = 98,231.71/x
  3. Step 3: Cross multiply
    178,805.92x = 246,751.14 × 98,231.71
  4. Step 4: Simplify right side
    178,805.92x = 24,238,786,366.72
  5. Step 5: Solve for x
    x = 24,238,786,366.72/178,805.92
  6. Step 6: Final answer
    x = 135,559.19

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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.