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Finding the Fourth Proportional to 200,993.12, 277,500.29 and 124,593.47

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Solution

The fourth proportional to 200,993.12, 277,500.29 and 124,593.47 is: 172,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,993.12 : 277,500.29 = 124,593.47 : x
  2. Step 2: Convert to fraction form
    200,993.12/277,500.29 = 124,593.47/x
  3. Step 3: Cross multiply
    200,993.12x = 277,500.29 × 124,593.47
  4. Step 4: Simplify right side
    200,993.12x = 34,574,722,046.64
  5. Step 5: Solve for x
    x = 34,574,722,046.64/200,993.12
  6. Step 6: Final answer
    x = 172,019.43

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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.