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Finding the Fourth Proportional to 215,441.92, 297,302.88 and 119,945.44

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Solution

The fourth proportional to 215,441.92, 297,302.88 and 119,945.44 is: 165,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,441.92 : 297,302.88 = 119,945.44 : x
  2. Step 2: Convert to fraction form
    215,441.92/297,302.88 = 119,945.44/x
  3. Step 3: Cross multiply
    215,441.92x = 297,302.88 × 119,945.44
  4. Step 4: Simplify right side
    215,441.92x = 35,660,124,754.87
  5. Step 5: Solve for x
    x = 35,660,124,754.87/215,441.92
  6. Step 6: Final answer
    x = 165,520.83

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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.