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Finding the Fourth Proportional to 159,427.64, 239,288.88 and 80,596.82

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Solution

The fourth proportional to 159,427.64, 239,288.88 and 80,596.82 is: 120,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,427.64 : 239,288.88 = 80,596.82 : x
  2. Step 2: Convert to fraction form
    159,427.64/239,288.88 = 80,596.82/x
  3. Step 3: Cross multiply
    159,427.64x = 239,288.88 × 80,596.82
  4. Step 4: Simplify right side
    159,427.64x = 19,285,922,789.36
  5. Step 5: Solve for x
    x = 19,285,922,789.36/159,427.64
  6. Step 6: Final answer
    x = 120,969.76

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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.