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Finding the Fourth Proportional to 107,080.96, 160,768.56 and 54,525.76

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Solution

The fourth proportional to 107,080.96, 160,768.56 and 54,525.76 is: 81,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,080.96 : 160,768.56 = 54,525.76 : x
  2. Step 2: Convert to fraction form
    107,080.96/160,768.56 = 54,525.76/x
  3. Step 3: Cross multiply
    107,080.96x = 160,768.56 × 54,525.76
  4. Step 4: Simplify right side
    107,080.96x = 8,766,027,918.11
  5. Step 5: Solve for x
    x = 8,766,027,918.11/107,080.96
  6. Step 6: Final answer
    x = 81,863.55

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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.