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Finding the Fourth Proportional to 124,412.84, 171,689.46 and 67,824.20

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Solution

The fourth proportional to 124,412.84, 171,689.46 and 67,824.20 is: 93,597.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,412.84 : 171,689.46 = 67,824.20 : x
  2. Step 2: Convert to fraction form
    124,412.84/171,689.46 = 67,824.20/x
  3. Step 3: Cross multiply
    124,412.84x = 171,689.46 × 67,824.20
  4. Step 4: Simplify right side
    124,412.84x = 11,644,700,272.93
  5. Step 5: Solve for x
    x = 11,644,700,272.93/124,412.84
  6. Step 6: Final answer
    x = 93,597.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.