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Finding the Fourth Proportional to 159,093.16, 219,546.59 and 87,472.56

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Solution

The fourth proportional to 159,093.16, 219,546.59 and 87,472.56 is: 120,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,093.16 : 219,546.59 = 87,472.56 : x
  2. Step 2: Convert to fraction form
    159,093.16/219,546.59 = 87,472.56/x
  3. Step 3: Cross multiply
    159,093.16x = 219,546.59 × 87,472.56
  4. Step 4: Simplify right side
    159,093.16x = 19,204,302,266.57
  5. Step 5: Solve for x
    x = 19,204,302,266.57/159,093.16
  6. Step 6: Final answer
    x = 120,711.05

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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.