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Finding the Fourth Proportional to 67,886.85, 101,797.39 and 39,816.10

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Solution

The fourth proportional to 67,886.85, 101,797.39 and 39,816.10 is: 59,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,886.85 : 101,797.39 = 39,816.10 : x
  2. Step 2: Convert to fraction form
    67,886.85/101,797.39 = 39,816.10/x
  3. Step 3: Cross multiply
    67,886.85x = 101,797.39 × 39,816.10
  4. Step 4: Simplify right side
    67,886.85x = 4,053,174,351.91
  5. Step 5: Solve for x
    x = 4,053,174,351.91/67,886.85
  6. Step 6: Final answer
    x = 59,704.85

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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.