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Finding the Fourth Proportional to 251,310.77, 376,754.18 and 109,048.82

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Solution

The fourth proportional to 251,310.77, 376,754.18 and 109,048.82 is: 163,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,310.77 : 376,754.18 = 109,048.82 : x
  2. Step 2: Convert to fraction form
    251,310.77/376,754.18 = 109,048.82/x
  3. Step 3: Cross multiply
    251,310.77x = 376,754.18 × 109,048.82
  4. Step 4: Simplify right side
    251,310.77x = 41,084,598,759.07
  5. Step 5: Solve for x
    x = 41,084,598,759.07/251,310.77
  6. Step 6: Final answer
    x = 163,481.25

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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.