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Finding the Fourth Proportional to 192,051.28, 287,691.06 and 95,697.88

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Solution

The fourth proportional to 192,051.28, 287,691.06 and 95,697.88 is: 143,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,051.28 : 287,691.06 = 95,697.88 : x
  2. Step 2: Convert to fraction form
    192,051.28/287,691.06 = 95,697.88/x
  3. Step 3: Cross multiply
    192,051.28x = 287,691.06 × 95,697.88
  4. Step 4: Simplify right side
    192,051.28x = 27,531,424,536.95
  5. Step 5: Solve for x
    x = 27,531,424,536.95/192,051.28
  6. Step 6: Final answer
    x = 143,354.55

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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.