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Finding the Fourth Proportional to 68,885.78, 95,037.92 and 45,026.22

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Solution

The fourth proportional to 68,885.78, 95,037.92 and 45,026.22 is: 62,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,885.78 : 95,037.92 = 45,026.22 : x
  2. Step 2: Convert to fraction form
    68,885.78/95,037.92 = 45,026.22/x
  3. Step 3: Cross multiply
    68,885.78x = 95,037.92 × 45,026.22
  4. Step 4: Simplify right side
    68,885.78x = 4,279,198,294.26
  5. Step 5: Solve for x
    x = 4,279,198,294.26/68,885.78
  6. Step 6: Final answer
    x = 62,120.20

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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.