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Finding the Fourth Proportional to 178,879.42, 246,848.61 and 98,306.92

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Solution

The fourth proportional to 178,879.42, 246,848.61 and 98,306.92 is: 135,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,879.42 : 246,848.61 = 98,306.92 : x
  2. Step 2: Convert to fraction form
    178,879.42/246,848.61 = 98,306.92/x
  3. Step 3: Cross multiply
    178,879.42x = 246,848.61 × 98,306.92
  4. Step 4: Simplify right side
    178,879.42x = 24,266,926,555.38
  5. Step 5: Solve for x
    x = 24,266,926,555.38/178,879.42
  6. Step 6: Final answer
    x = 135,660.81

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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.