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Finding the Fourth Proportional to 67,914.16, 101,871.15 and 25,794.16

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Solution

The fourth proportional to 67,914.16, 101,871.15 and 25,794.16 is: 38,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,914.16 : 101,871.15 = 25,794.16 : x
  2. Step 2: Convert to fraction form
    67,914.16/101,871.15 = 25,794.16/x
  3. Step 3: Cross multiply
    67,914.16x = 101,871.15 × 25,794.16
  4. Step 4: Simplify right side
    67,914.16x = 2,627,680,742.48
  5. Step 5: Solve for x
    x = 2,627,680,742.48/67,914.16
  6. Step 6: Final answer
    x = 38,691.21

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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.