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Finding the Fourth Proportional to 159,093.60, 219,546.12 and 87,472.92

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Solution

The fourth proportional to 159,093.60, 219,546.12 and 87,472.92 is: 120,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,093.60 : 219,546.12 = 87,472.92 : x
  2. Step 2: Convert to fraction form
    159,093.60/219,546.12 = 87,472.92/x
  3. Step 3: Cross multiply
    159,093.60x = 219,546.12 × 87,472.92
  4. Step 4: Simplify right side
    159,093.60x = 19,204,340,191.07
  5. Step 5: Solve for x
    x = 19,204,340,191.07/159,093.60
  6. Step 6: Final answer
    x = 120,710.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.