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Finding the Fourth Proportional to 92,101.10, 138,122.26 and 35,927.55

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Solution

The fourth proportional to 92,101.10, 138,122.26 and 35,927.55 is: 53,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,101.10 : 138,122.26 = 35,927.55 : x
  2. Step 2: Convert to fraction form
    92,101.10/138,122.26 = 35,927.55/x
  3. Step 3: Cross multiply
    92,101.10x = 138,122.26 × 35,927.55
  4. Step 4: Simplify right side
    92,101.10x = 4,962,394,514.54
  5. Step 5: Solve for x
    x = 4,962,394,514.54/92,101.10
  6. Step 6: Final answer
    x = 53,879.86

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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.