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Finding the Fourth Proportional to 67,772.94, 101,620.08 and 25,656.27

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Solution

The fourth proportional to 67,772.94, 101,620.08 and 25,656.27 is: 38,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,772.94 : 101,620.08 = 25,656.27 : x
  2. Step 2: Convert to fraction form
    67,772.94/101,620.08 = 25,656.27/x
  3. Step 3: Cross multiply
    67,772.94x = 101,620.08 × 25,656.27
  4. Step 4: Simplify right side
    67,772.94x = 2,607,192,209.90
  5. Step 5: Solve for x
    x = 2,607,192,209.90/67,772.94
  6. Step 6: Final answer
    x = 38,469.52

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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.