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Finding the Fourth Proportional to 119,791.36, 179,446.47 and 59,638.60

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Solution

The fourth proportional to 119,791.36, 179,446.47 and 59,638.60 is: 89,338.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,791.36 : 179,446.47 = 59,638.60 : x
  2. Step 2: Convert to fraction form
    119,791.36/179,446.47 = 59,638.60/x
  3. Step 3: Cross multiply
    119,791.36x = 179,446.47 × 59,638.60
  4. Step 4: Simplify right side
    119,791.36x = 10,701,936,245.74
  5. Step 5: Solve for x
    x = 10,701,936,245.74/119,791.36
  6. Step 6: Final answer
    x = 89,338.13

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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.