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Finding the Fourth Proportional to 261,958.01, 361,344.52 and 159,936.89

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Solution

The fourth proportional to 261,958.01, 361,344.52 and 159,936.89 is: 220,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,958.01 : 361,344.52 = 159,936.89 : x
  2. Step 2: Convert to fraction form
    261,958.01/361,344.52 = 159,936.89/x
  3. Step 3: Cross multiply
    261,958.01x = 361,344.52 × 159,936.89
  4. Step 4: Simplify right side
    261,958.01x = 57,792,318,747.34
  5. Step 5: Solve for x
    x = 57,792,318,747.34/261,958.01
  6. Step 6: Final answer
    x = 220,616.73

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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.