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Finding the Fourth Proportional to 215,149.52, 296,902.13 and 119,654.17

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Solution

The fourth proportional to 215,149.52, 296,902.13 and 119,654.17 is: 165,120.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,149.52 : 296,902.13 = 119,654.17 : x
  2. Step 2: Convert to fraction form
    215,149.52/296,902.13 = 119,654.17/x
  3. Step 3: Cross multiply
    215,149.52x = 296,902.13 × 119,654.17
  4. Step 4: Simplify right side
    215,149.52x = 35,525,576,595.86
  5. Step 5: Solve for x
    x = 35,525,576,595.86/215,149.52
  6. Step 6: Final answer
    x = 165,120.41

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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.