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Finding the Fourth Proportional to 107,325.80, 160,859.10 and 54,708.20

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Solution

The fourth proportional to 107,325.80, 160,859.10 and 54,708.20 is: 81,996.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,325.80 : 160,859.10 = 54,708.20 : x
  2. Step 2: Convert to fraction form
    107,325.80/160,859.10 = 54,708.20/x
  3. Step 3: Cross multiply
    107,325.80x = 160,859.10 × 54,708.20
  4. Step 4: Simplify right side
    107,325.80x = 8,800,311,814.62
  5. Step 5: Solve for x
    x = 8,800,311,814.62/107,325.80
  6. Step 6: Final answer
    x = 81,996.24

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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.