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Finding the Fourth Proportional to 92,704.80, 127,936.08 and 54,469.92

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Solution

The fourth proportional to 92,704.80, 127,936.08 and 54,469.92 is: 75,170.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,704.80 : 127,936.08 = 54,469.92 : x
  2. Step 2: Convert to fraction form
    92,704.80/127,936.08 = 54,469.92/x
  3. Step 3: Cross multiply
    92,704.80x = 127,936.08 × 54,469.92
  4. Step 4: Simplify right side
    92,704.80x = 6,968,668,042.71
  5. Step 5: Solve for x
    x = 6,968,668,042.71/92,704.80
  6. Step 6: Final answer
    x = 75,170.52

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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.