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Finding the Fourth Proportional to 92,626.80, 138,940.20 and 22,505.64

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Solution

The fourth proportional to 92,626.80, 138,940.20 and 22,505.64 is: 33,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,626.80 : 138,940.20 = 22,505.64 : x
  2. Step 2: Convert to fraction form
    92,626.80/138,940.20 = 22,505.64/x
  3. Step 3: Cross multiply
    92,626.80x = 138,940.20 × 22,505.64
  4. Step 4: Simplify right side
    92,626.80x = 3,126,938,122.73
  5. Step 5: Solve for x
    x = 3,126,938,122.73/92,626.80
  6. Step 6: Final answer
    x = 33,758.46

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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.