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Finding the Fourth Proportional to 215,369.92, 297,220.26 and 119,882.71

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Solution

The fourth proportional to 215,369.92, 297,220.26 and 119,882.71 is: 165,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,369.92 : 297,220.26 = 119,882.71 : x
  2. Step 2: Convert to fraction form
    215,369.92/297,220.26 = 119,882.71/x
  3. Step 3: Cross multiply
    215,369.92x = 297,220.26 × 119,882.71
  4. Step 4: Simplify right side
    215,369.92x = 35,631,570,235.70
  5. Step 5: Solve for x
    x = 35,631,570,235.70/215,369.92
  6. Step 6: Final answer
    x = 165,443.58

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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.