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Finding the Fourth Proportional to 78,452.98, 117,680.37 and 22,292.98

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Solution

The fourth proportional to 78,452.98, 117,680.37 and 22,292.98 is: 33,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,452.98 : 117,680.37 = 22,292.98 : x
  2. Step 2: Convert to fraction form
    78,452.98/117,680.37 = 22,292.98/x
  3. Step 3: Cross multiply
    78,452.98x = 117,680.37 × 22,292.98
  4. Step 4: Simplify right side
    78,452.98x = 2,623,446,134.80
  5. Step 5: Solve for x
    x = 2,623,446,134.80/78,452.98
  6. Step 6: Final answer
    x = 33,439.73

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1.5x scale

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.