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Finding the Fourth Proportional to 92,478.65, 127,620.97 and 52,194.11

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Solution

The fourth proportional to 92,478.65, 127,620.97 and 52,194.11 is: 72,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,478.65 : 127,620.97 = 52,194.11 : x
  2. Step 2: Convert to fraction form
    92,478.65/127,620.97 = 52,194.11/x
  3. Step 3: Cross multiply
    92,478.65x = 127,620.97 × 52,194.11
  4. Step 4: Simplify right side
    92,478.65x = 6,661,062,177.90
  5. Step 5: Solve for x
    x = 6,661,062,177.90/92,478.65
  6. Step 6: Final answer
    x = 72,028.11

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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.