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Finding the Fourth Proportional to 106,882.80, 160,381.80 and 44,559.60

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Solution

The fourth proportional to 106,882.80, 160,381.80 and 44,559.60 is: 66,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,882.80 : 160,381.80 = 44,559.60 : x
  2. Step 2: Convert to fraction form
    106,882.80/160,381.80 = 44,559.60/x
  3. Step 3: Cross multiply
    106,882.80x = 160,381.80 × 44,559.60
  4. Step 4: Simplify right side
    106,882.80x = 7,146,548,855.28
  5. Step 5: Solve for x
    x = 7,146,548,855.28/106,882.80
  6. Step 6: Final answer
    x = 66,863.41

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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.