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Finding the Fourth Proportional to 67,433.43, 101,155.02 and 25,880.43

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Solution

The fourth proportional to 67,433.43, 101,155.02 and 25,880.43 is: 38,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,433.43 : 101,155.02 = 25,880.43 : x
  2. Step 2: Convert to fraction form
    67,433.43/101,155.02 = 25,880.43/x
  3. Step 3: Cross multiply
    67,433.43x = 101,155.02 × 25,880.43
  4. Step 4: Simplify right side
    67,433.43x = 2,617,935,414.26
  5. Step 5: Solve for x
    x = 2,617,935,414.26/67,433.43
  6. Step 6: Final answer
    x = 38,822.52

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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.