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Finding the Fourth Proportional to 159,267.68, 239,049.21 and 80,437.22

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Solution

The fourth proportional to 159,267.68, 239,049.21 and 80,437.22 is: 120,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,267.68 : 239,049.21 = 80,437.22 : x
  2. Step 2: Convert to fraction form
    159,267.68/239,049.21 = 80,437.22/x
  3. Step 3: Cross multiply
    159,267.68x = 239,049.21 × 80,437.22
  4. Step 4: Simplify right side
    159,267.68x = 19,228,453,895.60
  5. Step 5: Solve for x
    x = 19,228,453,895.60/159,267.68
  6. Step 6: Final answer
    x = 120,730.42

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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.