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Finding the Fourth Proportional to 92,213.76, 127,261.02 and 69,512.70

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Solution

The fourth proportional to 92,213.76, 127,261.02 and 69,512.70 is: 95,932.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,213.76 : 127,261.02 = 69,512.70 : x
  2. Step 2: Convert to fraction form
    92,213.76/127,261.02 = 69,512.70/x
  3. Step 3: Cross multiply
    92,213.76x = 127,261.02 × 69,512.70
  4. Step 4: Simplify right side
    92,213.76x = 8,846,257,104.95
  5. Step 5: Solve for x
    x = 8,846,257,104.95/92,213.76
  6. Step 6: Final answer
    x = 95,932.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.