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Finding the Fourth Proportional to 83,247, 124,870.62 and 33,999

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Solution

The fourth proportional to 83,247, 124,870.62 and 33,999 is: 50,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,247 : 124,870.62 = 33,999 : x
  2. Step 2: Convert to fraction form
    83,247/124,870.62 = 33,999/x
  3. Step 3: Cross multiply
    83,247x = 124,870.62 × 33,999
  4. Step 4: Simplify right side
    83,247x = 4,245,476,209.38
  5. Step 5: Solve for x
    x = 4,245,476,209.38/83,247
  6. Step 6: Final answer
    x = 50,998.55

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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.