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Finding the Fourth Proportional to 251,247.54, 346,692.52 and 143,811.18

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Solution

The fourth proportional to 251,247.54, 346,692.52 and 143,811.18 is: 198,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,247.54 : 346,692.52 = 143,811.18 : x
  2. Step 2: Convert to fraction form
    251,247.54/346,692.52 = 143,811.18/x
  3. Step 3: Cross multiply
    251,247.54x = 346,692.52 × 143,811.18
  4. Step 4: Simplify right side
    251,247.54x = 49,858,260,398.37
  5. Step 5: Solve for x
    x = 49,858,260,398.37/251,247.54
  6. Step 6: Final answer
    x = 198,442.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.