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Finding the Fourth Proportional to 80,054.83, 120,077.91 and 40,610.92

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Solution

The fourth proportional to 80,054.83, 120,077.91 and 40,610.92 is: 60,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,054.83 : 120,077.91 = 40,610.92 : x
  2. Step 2: Convert to fraction form
    80,054.83/120,077.91 = 40,610.92/x
  3. Step 3: Cross multiply
    80,054.83x = 120,077.91 × 40,610.92
  4. Step 4: Simplify right side
    80,054.83x = 4,876,474,096.58
  5. Step 5: Solve for x
    x = 4,876,474,096.58/80,054.83
  6. Step 6: Final answer
    x = 60,914.18

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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.