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Finding the Fourth Proportional to 251,237.97, 376,645.01 and 108,976.15

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Solution

The fourth proportional to 251,237.97, 376,645.01 and 108,976.15 is: 163,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,237.97 : 376,645.01 = 108,976.15 : x
  2. Step 2: Convert to fraction form
    251,237.97/376,645.01 = 108,976.15/x
  3. Step 3: Cross multiply
    251,237.97x = 376,645.01 × 108,976.15
  4. Step 4: Simplify right side
    251,237.97x = 41,045,323,032.44
  5. Step 5: Solve for x
    x = 41,045,323,032.44/251,237.97
  6. Step 6: Final answer
    x = 163,372.29

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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.