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Finding the Fourth Proportional to 67,434.75, 101,156.99 and 25,881.75

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Solution

The fourth proportional to 67,434.75, 101,156.99 and 25,881.75 is: 38,824.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,434.75 : 101,156.99 = 25,881.75 : x
  2. Step 2: Convert to fraction form
    67,434.75/101,156.99 = 25,881.75/x
  3. Step 3: Cross multiply
    67,434.75x = 101,156.99 × 25,881.75
  4. Step 4: Simplify right side
    67,434.75x = 2,618,119,796.52
  5. Step 5: Solve for x
    x = 2,618,119,796.52/67,434.75
  6. Step 6: Final answer
    x = 38,824.49

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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.