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Finding the Fourth Proportional to 299,179.77, 448,937.25 and 158,934.75

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Solution

The fourth proportional to 299,179.77, 448,937.25 and 158,934.75 is: 238,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,179.77 : 448,937.25 = 158,934.75 : x
  2. Step 2: Convert to fraction form
    299,179.77/448,937.25 = 158,934.75/x
  3. Step 3: Cross multiply
    299,179.77x = 448,937.25 × 158,934.75
  4. Step 4: Simplify right side
    299,179.77x = 71,351,729,594.44
  5. Step 5: Solve for x
    x = 71,351,729,594.44/299,179.77
  6. Step 6: Final answer
    x = 238,491.16

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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.