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Finding the Fourth Proportional to 92,615.78, 138,923.67 and 33,451.22

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Solution

The fourth proportional to 92,615.78, 138,923.67 and 33,451.22 is: 50,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,615.78 : 138,923.67 = 33,451.22 : x
  2. Step 2: Convert to fraction form
    92,615.78/138,923.67 = 33,451.22/x
  3. Step 3: Cross multiply
    92,615.78x = 138,923.67 × 33,451.22
  4. Step 4: Simplify right side
    92,615.78x = 4,647,166,248.38
  5. Step 5: Solve for x
    x = 4,647,166,248.38/92,615.78
  6. Step 6: Final answer
    x = 50,176.83

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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.