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Finding the Fourth Proportional to 92,351.97, 127,190.85 and 79,600.44

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Solution

The fourth proportional to 92,351.97, 127,190.85 and 79,600.44 is: 109,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,351.97 : 127,190.85 = 79,600.44 : x
  2. Step 2: Convert to fraction form
    92,351.97/127,190.85 = 79,600.44/x
  3. Step 3: Cross multiply
    92,351.97x = 127,190.85 × 79,600.44
  4. Step 4: Simplify right side
    92,351.97x = 10,124,447,623.97
  5. Step 5: Solve for x
    x = 10,124,447,623.97/92,351.97
  6. Step 6: Final answer
    x = 109,628.93

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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.