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Finding the Fourth Proportional to 215,874.57, 297,908.08 and 119,081.85

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Solution

The fourth proportional to 215,874.57, 297,908.08 and 119,081.85 is: 164,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,874.57 : 297,908.08 = 119,081.85 : x
  2. Step 2: Convert to fraction form
    215,874.57/297,908.08 = 119,081.85/x
  3. Step 3: Cross multiply
    215,874.57x = 297,908.08 × 119,081.85
  4. Step 4: Simplify right side
    215,874.57x = 35,475,443,881.49
  5. Step 5: Solve for x
    x = 35,475,443,881.49/215,874.57
  6. Step 6: Final answer
    x = 164,333.60

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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.