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Finding the Fourth Proportional to 178,169.96, 245,878.52 and 101,687.52

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Solution

The fourth proportional to 178,169.96, 245,878.52 and 101,687.52 is: 140,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,169.96 : 245,878.52 = 101,687.52 : x
  2. Step 2: Convert to fraction form
    178,169.96/245,878.52 = 101,687.52/x
  3. Step 3: Cross multiply
    178,169.96x = 245,878.52 × 101,687.52
  4. Step 4: Simplify right side
    178,169.96x = 25,002,777,333.68
  5. Step 5: Solve for x
    x = 25,002,777,333.68/178,169.96
  6. Step 6: Final answer
    x = 140,331.05

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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.