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Finding the Fourth Proportional to 124,414.12, 171,687.14 and 67,824.36

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Solution

The fourth proportional to 124,414.12, 171,687.14 and 67,824.36 is: 93,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,414.12 : 171,687.14 = 67,824.36 : x
  2. Step 2: Convert to fraction form
    124,414.12/171,687.14 = 67,824.36/x
  3. Step 3: Cross multiply
    124,414.12x = 171,687.14 × 67,824.36
  4. Step 4: Simplify right side
    124,414.12x = 11,644,570,390.73
  5. Step 5: Solve for x
    x = 11,644,570,390.73/124,414.12
  6. Step 6: Final answer
    x = 93,595.25

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1.5x scale

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.