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Finding the Fourth Proportional to 92,553.40, 138,830.10 and 25,995.70

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Solution

The fourth proportional to 92,553.40, 138,830.10 and 25,995.70 is: 38,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,553.40 : 138,830.10 = 25,995.70 : x
  2. Step 2: Convert to fraction form
    92,553.40/138,830.10 = 25,995.70/x
  3. Step 3: Cross multiply
    92,553.40x = 138,830.10 × 25,995.70
  4. Step 4: Simplify right side
    92,553.40x = 3,608,985,630.57
  5. Step 5: Solve for x
    x = 3,608,985,630.57/92,553.40
  6. Step 6: Final answer
    x = 38,993.55

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Similar ratio
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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.