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Finding the Fourth Proportional to 80,161.56, 120,162.24 and 37,966.68

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Solution

The fourth proportional to 80,161.56, 120,162.24 and 37,966.68 is: 56,912.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,161.56 : 120,162.24 = 37,966.68 : x
  2. Step 2: Convert to fraction form
    80,161.56/120,162.24 = 37,966.68/x
  3. Step 3: Cross multiply
    80,161.56x = 120,162.24 × 37,966.68
  4. Step 4: Simplify right side
    80,161.56x = 4,562,161,314.16
  5. Step 5: Solve for x
    x = 4,562,161,314.16/80,161.56
  6. Step 6: Final answer
    x = 56,912.08

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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.