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Finding the Fourth Proportional to 67,266.60, 100,864.84 and 25,112

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Solution

The fourth proportional to 67,266.60, 100,864.84 and 25,112 is: 37,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,266.60 : 100,864.84 = 25,112 : x
  2. Step 2: Convert to fraction form
    67,266.60/100,864.84 = 25,112/x
  3. Step 3: Cross multiply
    67,266.60x = 100,864.84 × 25,112
  4. Step 4: Simplify right side
    67,266.60x = 2,532,917,862.08
  5. Step 5: Solve for x
    x = 2,532,917,862.08/67,266.60
  6. Step 6: Final answer
    x = 37,654.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.