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Finding the Fourth Proportional to 251,375.84, 376,558.90 and 116,250.51

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Solution

The fourth proportional to 251,375.84, 376,558.90 and 116,250.51 is: 174,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,375.84 : 376,558.90 = 116,250.51 : x
  2. Step 2: Convert to fraction form
    251,375.84/376,558.90 = 116,250.51/x
  3. Step 3: Cross multiply
    251,375.84x = 376,558.90 × 116,250.51
  4. Step 4: Simplify right side
    251,375.84x = 43,775,163,500.32
  5. Step 5: Solve for x
    x = 43,775,163,500.32/251,375.84
  6. Step 6: Final answer
    x = 174,142.29

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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.