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Finding the Fourth Proportional to 144,753.96, 199,882.82 and 108,881.48

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Solution

The fourth proportional to 144,753.96, 199,882.82 and 108,881.48 is: 150,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,753.96 : 199,882.82 = 108,881.48 : x
  2. Step 2: Convert to fraction form
    144,753.96/199,882.82 = 108,881.48/x
  3. Step 3: Cross multiply
    144,753.96x = 199,882.82 × 108,881.48
  4. Step 4: Simplify right side
    144,753.96x = 21,763,537,268.17
  5. Step 5: Solve for x
    x = 21,763,537,268.17/144,753.96
  6. Step 6: Final answer
    x = 150,348.48

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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.