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Finding the Fourth Proportional to 78,797.46, 118,178.88 and 22,625.04

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Solution

The fourth proportional to 78,797.46, 118,178.88 and 22,625.04 is: 33,932.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,797.46 : 118,178.88 = 22,625.04 : x
  2. Step 2: Convert to fraction form
    78,797.46/118,178.88 = 22,625.04/x
  3. Step 3: Cross multiply
    78,797.46x = 118,178.88 × 22,625.04
  4. Step 4: Simplify right side
    78,797.46x = 2,673,801,887.16
  5. Step 5: Solve for x
    x = 2,673,801,887.16/78,797.46
  6. Step 6: Final answer
    x = 33,932.59

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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.