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Finding the Fourth Proportional to 181,286.33, 271,938.72 and 67,408.89

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Solution

The fourth proportional to 181,286.33, 271,938.72 and 67,408.89 is: 101,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,286.33 : 271,938.72 = 67,408.89 : x
  2. Step 2: Convert to fraction form
    181,286.33/271,938.72 = 67,408.89/x
  3. Step 3: Cross multiply
    181,286.33x = 271,938.72 × 67,408.89
  4. Step 4: Simplify right side
    181,286.33x = 18,331,087,263.22
  5. Step 5: Solve for x
    x = 18,331,087,263.22/181,286.33
  6. Step 6: Final answer
    x = 101,116.77

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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.