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Finding the Fourth Proportional to 92,393.20, 127,514.28 and 52,109.20

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Solution

The fourth proportional to 92,393.20, 127,514.28 and 52,109.20 is: 71,917.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,393.20 : 127,514.28 = 52,109.20 : x
  2. Step 2: Convert to fraction form
    92,393.20/127,514.28 = 52,109.20/x
  3. Step 3: Cross multiply
    92,393.20x = 127,514.28 × 52,109.20
  4. Step 4: Simplify right side
    92,393.20x = 6,644,667,119.38
  5. Step 5: Solve for x
    x = 6,644,667,119.38/92,393.20
  6. Step 6: Final answer
    x = 71,917.27

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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.