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Finding the Fourth Proportional to 107,324.96, 148,078.42 and 67,079.61

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Solution

The fourth proportional to 107,324.96, 148,078.42 and 67,079.61 is: 92,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,324.96 : 148,078.42 = 67,079.61 : x
  2. Step 2: Convert to fraction form
    107,324.96/148,078.42 = 67,079.61/x
  3. Step 3: Cross multiply
    107,324.96x = 148,078.42 × 67,079.61
  4. Step 4: Simplify right side
    107,324.96x = 9,933,042,663.02
  5. Step 5: Solve for x
    x = 9,933,042,663.02/107,324.96
  6. Step 6: Final answer
    x = 92,551.10

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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.