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Finding the Fourth Proportional to 137,955.20, 206,935.04 and 44,461.44

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Solution

The fourth proportional to 137,955.20, 206,935.04 and 44,461.44 is: 66,692.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,955.20 : 206,935.04 = 44,461.44 : x
  2. Step 2: Convert to fraction form
    137,955.20/206,935.04 = 44,461.44/x
  3. Step 3: Cross multiply
    137,955.20x = 206,935.04 × 44,461.44
  4. Step 4: Simplify right side
    137,955.20x = 9,200,629,864.86
  5. Step 5: Solve for x
    x = 9,200,629,864.86/137,955.20
  6. Step 6: Final answer
    x = 66,692.88

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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.