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Finding the Fourth Proportional to 221,796.01, 332,789.34 and 72,082.19

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Solution

The fourth proportional to 221,796.01, 332,789.34 and 72,082.19 is: 108,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,796.01 : 332,789.34 = 72,082.19 : x
  2. Step 2: Convert to fraction form
    221,796.01/332,789.34 = 72,082.19/x
  3. Step 3: Cross multiply
    221,796.01x = 332,789.34 × 72,082.19
  4. Step 4: Simplify right side
    221,796.01x = 23,988,184,435.85
  5. Step 5: Solve for x
    x = 23,988,184,435.85/221,796.01
  6. Step 6: Final answer
    x = 108,154.26

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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.