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Finding the Fourth Proportional to 262,487.44, 393,846.52 and 137,799.44

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Solution

The fourth proportional to 262,487.44, 393,846.52 and 137,799.44 is: 206,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,487.44 : 393,846.52 = 137,799.44 : x
  2. Step 2: Convert to fraction form
    262,487.44/393,846.52 = 137,799.44/x
  3. Step 3: Cross multiply
    262,487.44x = 393,846.52 × 137,799.44
  4. Step 4: Simplify right side
    262,487.44x = 54,271,829,901.95
  5. Step 5: Solve for x
    x = 54,271,829,901.95/262,487.44
  6. Step 6: Final answer
    x = 206,759.72

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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.