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Finding the Fourth Proportional to 85,254.88, 127,882.56 and 29,837.92

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Solution

The fourth proportional to 85,254.88, 127,882.56 and 29,837.92 is: 44,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,254.88 : 127,882.56 = 29,837.92 : x
  2. Step 2: Convert to fraction form
    85,254.88/127,882.56 = 29,837.92/x
  3. Step 3: Cross multiply
    85,254.88x = 127,882.56 × 29,837.92
  4. Step 4: Simplify right side
    85,254.88x = 3,815,749,594.68
  5. Step 5: Solve for x
    x = 3,815,749,594.68/85,254.88
  6. Step 6: Final answer
    x = 44,756.96

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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.