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Finding the Fourth Proportional to 215,258.62, 322,874.80 and 80,296.62

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Solution

The fourth proportional to 215,258.62, 322,874.80 and 80,296.62 is: 120,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,258.62 : 322,874.80 = 80,296.62 : x
  2. Step 2: Convert to fraction form
    215,258.62/322,874.80 = 80,296.62/x
  3. Step 3: Cross multiply
    215,258.62x = 322,874.80 × 80,296.62
  4. Step 4: Simplify right side
    215,258.62x = 25,925,755,123.18
  5. Step 5: Solve for x
    x = 25,925,755,123.18/215,258.62
  6. Step 6: Final answer
    x = 120,440.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.