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Finding the Fourth Proportional to 203,965.92, 305,992.08 and 63,735.12

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Solution

The fourth proportional to 203,965.92, 305,992.08 and 63,735.12 is: 95,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,965.92 : 305,992.08 = 63,735.12 : x
  2. Step 2: Convert to fraction form
    203,965.92/305,992.08 = 63,735.12/x
  3. Step 3: Cross multiply
    203,965.92x = 305,992.08 × 63,735.12
  4. Step 4: Simplify right side
    203,965.92x = 19,502,441,937.85
  5. Step 5: Solve for x
    x = 19,502,441,937.85/203,965.92
  6. Step 6: Final answer
    x = 95,616.18

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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.