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Finding the Fourth Proportional to 250,920.36, 376,079.22 and 108,726.48

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Solution

The fourth proportional to 250,920.36, 376,079.22 and 108,726.48 is: 162,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,920.36 : 376,079.22 = 108,726.48 : x
  2. Step 2: Convert to fraction form
    250,920.36/376,079.22 = 108,726.48/x
  3. Step 3: Cross multiply
    250,920.36x = 376,079.22 × 108,726.48
  4. Step 4: Simplify right side
    250,920.36x = 40,889,769,791.75
  5. Step 5: Solve for x
    x = 40,889,769,791.75/250,920.36
  6. Step 6: Final answer
    x = 162,959.15

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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.