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Finding the Fourth Proportional to 251,026.40, 346,725.20 and 187,647.20

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Solution

The fourth proportional to 251,026.40, 346,725.20 and 187,647.20 is: 259,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,026.40 : 346,725.20 = 187,647.20 : x
  2. Step 2: Convert to fraction form
    251,026.40/346,725.20 = 187,647.20/x
  3. Step 3: Cross multiply
    251,026.40x = 346,725.20 × 187,647.20
  4. Step 4: Simplify right side
    251,026.40x = 65,062,012,949.44
  5. Step 5: Solve for x
    x = 65,062,012,949.44/251,026.40
  6. Step 6: Final answer
    x = 259,183.95

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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.