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Finding the Fourth Proportional to 124,358.36, 171,609.54 and 67,768.52

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Solution

The fourth proportional to 124,358.36, 171,609.54 and 67,768.52 is: 93,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,358.36 : 171,609.54 = 67,768.52 : x
  2. Step 2: Convert to fraction form
    124,358.36/171,609.54 = 67,768.52/x
  3. Step 3: Cross multiply
    124,358.36x = 171,609.54 × 67,768.52
  4. Step 4: Simplify right side
    124,358.36x = 11,629,724,543.68
  5. Step 5: Solve for x
    x = 11,629,724,543.68/124,358.36
  6. Step 6: Final answer
    x = 93,517.83

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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.