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Finding the Fourth Proportional to 67,889.88, 101,844.10 and 39,440.22

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Solution

The fourth proportional to 67,889.88, 101,844.10 and 39,440.22 is: 59,165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,889.88 : 101,844.10 = 39,440.22 : x
  2. Step 2: Convert to fraction form
    67,889.88/101,844.10 = 39,440.22/x
  3. Step 3: Cross multiply
    67,889.88x = 101,844.10 × 39,440.22
  4. Step 4: Simplify right side
    67,889.88x = 4,016,753,377.09
  5. Step 5: Solve for x
    x = 4,016,753,377.09/67,889.88
  6. Step 6: Final answer
    x = 59,165.72

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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.