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Finding the Fourth Proportional to 215,793.38, 297,783.69 and 119,013.14

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Solution

The fourth proportional to 215,793.38, 297,783.69 and 119,013.14 is: 164,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,793.38 : 297,783.69 = 119,013.14 : x
  2. Step 2: Convert to fraction form
    215,793.38/297,783.69 = 119,013.14/x
  3. Step 3: Cross multiply
    215,793.38x = 297,783.69 × 119,013.14
  4. Step 4: Simplify right side
    215,793.38x = 35,440,171,987.69
  5. Step 5: Solve for x
    x = 35,440,171,987.69/215,793.38
  6. Step 6: Final answer
    x = 164,231.97

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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.