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Finding the Fourth Proportional to 99,383.80, 149,082.90 and 59,855.80

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Solution

The fourth proportional to 99,383.80, 149,082.90 and 59,855.80 is: 89,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,383.80 : 149,082.90 = 59,855.80 : x
  2. Step 2: Convert to fraction form
    99,383.80/149,082.90 = 59,855.80/x
  3. Step 3: Cross multiply
    99,383.80x = 149,082.90 × 59,855.80
  4. Step 4: Simplify right side
    99,383.80x = 8,923,476,245.82
  5. Step 5: Solve for x
    x = 8,923,476,245.82/99,383.80
  6. Step 6: Final answer
    x = 89,788.04

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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.