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Finding the Fourth Proportional to 80,040.92, 120,093.66 and 35,637.32

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Solution

The fourth proportional to 80,040.92, 120,093.66 and 35,637.32 is: 53,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040.92 : 120,093.66 = 35,637.32 : x
  2. Step 2: Convert to fraction form
    80,040.92/120,093.66 = 35,637.32/x
  3. Step 3: Cross multiply
    80,040.92x = 120,093.66 × 35,637.32
  4. Step 4: Simplify right side
    80,040.92x = 4,279,816,191.39
  5. Step 5: Solve for x
    x = 4,279,816,191.39/80,040.92
  6. Step 6: Final answer
    x = 53,470.35

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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.