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Finding the Fourth Proportional to 124,468.33, 171,767.45 and 67,879.71

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Solution

The fourth proportional to 124,468.33, 171,767.45 and 67,879.71 is: 93,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,468.33 : 171,767.45 = 67,879.71 : x
  2. Step 2: Convert to fraction form
    124,468.33/171,767.45 = 67,879.71/x
  3. Step 3: Cross multiply
    124,468.33x = 171,767.45 × 67,879.71
  4. Step 4: Simplify right side
    124,468.33x = 11,659,524,693.44
  5. Step 5: Solve for x
    x = 11,659,524,693.44/124,468.33
  6. Step 6: Final answer
    x = 93,674.63

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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.