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Finding the Fourth Proportional to 67,661.82, 101,554.29 and 36,098.64

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Solution

The fourth proportional to 67,661.82, 101,554.29 and 36,098.64 is: 54,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,661.82 : 101,554.29 = 36,098.64 : x
  2. Step 2: Convert to fraction form
    67,661.82/101,554.29 = 36,098.64/x
  3. Step 3: Cross multiply
    67,661.82x = 101,554.29 × 36,098.64
  4. Step 4: Simplify right side
    67,661.82x = 3,665,971,755.17
  5. Step 5: Solve for x
    x = 3,665,971,755.17/67,661.82
  6. Step 6: Final answer
    x = 54,180.80

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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.