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Finding the Fourth Proportional to 252,633.89, 348,622.51 and 143,727.97

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Solution

The fourth proportional to 252,633.89, 348,622.51 and 143,727.97 is: 198,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,633.89 : 348,622.51 = 143,727.97 : x
  2. Step 2: Convert to fraction form
    252,633.89/348,622.51 = 143,727.97/x
  3. Step 3: Cross multiply
    252,633.89x = 348,622.51 × 143,727.97
  4. Step 4: Simplify right side
    252,633.89x = 50,106,805,658.60
  5. Step 5: Solve for x
    x = 50,106,805,658.60/252,633.89
  6. Step 6: Final answer
    x = 198,337.62

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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.