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Finding the Fourth Proportional to 159,637.88, 239,295.13 and 103,513.59

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Solution

The fourth proportional to 159,637.88, 239,295.13 and 103,513.59 is: 155,165.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,637.88 : 239,295.13 = 103,513.59 : x
  2. Step 2: Convert to fraction form
    159,637.88/239,295.13 = 103,513.59/x
  3. Step 3: Cross multiply
    159,637.88x = 239,295.13 × 103,513.59
  4. Step 4: Simplify right side
    159,637.88x = 24,770,297,717.03
  5. Step 5: Solve for x
    x = 24,770,297,717.03/159,637.88
  6. Step 6: Final answer
    x = 155,165.54

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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.