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Finding the Fourth Proportional to 159,634.82, 239,290.52 and 103,510.54

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Solution

The fourth proportional to 159,634.82, 239,290.52 and 103,510.54 is: 155,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,634.82 : 239,290.52 = 103,510.54 : x
  2. Step 2: Convert to fraction form
    159,634.82/239,290.52 = 103,510.54/x
  3. Step 3: Cross multiply
    159,634.82x = 239,290.52 × 103,510.54
  4. Step 4: Simplify right side
    159,634.82x = 24,769,090,942.08
  5. Step 5: Solve for x
    x = 24,769,090,942.08/159,634.82
  6. Step 6: Final answer
    x = 155,160.95

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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.