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Finding the Fourth Proportional to 206,937.26, 285,575.29 and 125,267.39

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Solution

The fourth proportional to 206,937.26, 285,575.29 and 125,267.39 is: 172,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,937.26 : 285,575.29 = 125,267.39 : x
  2. Step 2: Convert to fraction form
    206,937.26/285,575.29 = 125,267.39/x
  3. Step 3: Cross multiply
    206,937.26x = 285,575.29 × 125,267.39
  4. Step 4: Simplify right side
    206,937.26x = 35,773,271,226.79
  5. Step 5: Solve for x
    x = 35,773,271,226.79/206,937.26
  6. Step 6: Final answer
    x = 172,870.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.