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Finding the Fourth Proportional to 92,367.38, 138,467.68 and 33,189.20

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Solution

The fourth proportional to 92,367.38, 138,467.68 and 33,189.20 is: 49,753.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,367.38 : 138,467.68 = 33,189.20 : x
  2. Step 2: Convert to fraction form
    92,367.38/138,467.68 = 33,189.20/x
  3. Step 3: Cross multiply
    92,367.38x = 138,467.68 × 33,189.20
  4. Step 4: Simplify right side
    92,367.38x = 4,595,631,359.11
  5. Step 5: Solve for x
    x = 4,595,631,359.11/92,367.38
  6. Step 6: Final answer
    x = 49,753.84

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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.