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Finding the Fourth Proportional to 82,663.84, 123,926.04 and 35,881.44

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Solution

The fourth proportional to 82,663.84, 123,926.04 and 35,881.44 is: 53,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,663.84 : 123,926.04 = 35,881.44 : x
  2. Step 2: Convert to fraction form
    82,663.84/123,926.04 = 35,881.44/x
  3. Step 3: Cross multiply
    82,663.84x = 123,926.04 × 35,881.44
  4. Step 4: Simplify right side
    82,663.84x = 4,446,644,768.70
  5. Step 5: Solve for x
    x = 4,446,644,768.70/82,663.84
  6. Step 6: Final answer
    x = 53,791.90

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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.