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Finding the Fourth Proportional to 159,751.62, 238,319.19 and 155,408.04

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Solution

The fourth proportional to 159,751.62, 238,319.19 and 155,408.04 is: 231,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,751.62 : 238,319.19 = 155,408.04 : x
  2. Step 2: Convert to fraction form
    159,751.62/238,319.19 = 155,408.04/x
  3. Step 3: Cross multiply
    159,751.62x = 238,319.19 × 155,408.04
  4. Step 4: Simplify right side
    159,751.62x = 37,036,718,212.29
  5. Step 5: Solve for x
    x = 37,036,718,212.29/159,751.62
  6. Step 6: Final answer
    x = 231,839.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.