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Finding the Fourth Proportional to 124,411.82, 171,687.80 and 67,823.19

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Solution

The fourth proportional to 124,411.82, 171,687.80 and 67,823.19 is: 93,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,411.82 : 171,687.80 = 67,823.19 : x
  2. Step 2: Convert to fraction form
    124,411.82/171,687.80 = 67,823.19/x
  3. Step 3: Cross multiply
    124,411.82x = 171,687.80 × 67,823.19
  4. Step 4: Simplify right side
    124,411.82x = 11,644,414,449.64
  5. Step 5: Solve for x
    x = 11,644,414,449.64/124,411.82
  6. Step 6: Final answer
    x = 93,595.73

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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.