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Finding the Fourth Proportional to 158,757.26, 238,135.88 and 47,949.26

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Solution

The fourth proportional to 158,757.26, 238,135.88 and 47,949.26 is: 71,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,757.26 : 238,135.88 = 47,949.26 : x
  2. Step 2: Convert to fraction form
    158,757.26/238,135.88 = 47,949.26/x
  3. Step 3: Cross multiply
    158,757.26x = 238,135.88 × 47,949.26
  4. Step 4: Simplify right side
    158,757.26x = 11,418,439,225.45
  5. Step 5: Solve for x
    x = 11,418,439,225.45/158,757.26
  6. Step 6: Final answer
    x = 71,923.89

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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.