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Finding the Fourth Proportional to 215,352.47, 297,183.44 and 119,859.20

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Solution

The fourth proportional to 215,352.47, 297,183.44 and 119,859.20 is: 165,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,352.47 : 297,183.44 = 119,859.20 : x
  2. Step 2: Convert to fraction form
    215,352.47/297,183.44 = 119,859.20/x
  3. Step 3: Cross multiply
    215,352.47x = 297,183.44 × 119,859.20
  4. Step 4: Simplify right side
    215,352.47x = 35,620,168,772.35
  5. Step 5: Solve for x
    x = 35,620,168,772.35/215,352.47
  6. Step 6: Final answer
    x = 165,404.04

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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.