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Finding the Fourth Proportional to 251,000.37, 346,689.32 and 187,621.11

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Solution

The fourth proportional to 251,000.37, 346,689.32 and 187,621.11 is: 259,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,000.37 : 346,689.32 = 187,621.11 : x
  2. Step 2: Convert to fraction form
    251,000.37/346,689.32 = 187,621.11/x
  3. Step 3: Cross multiply
    251,000.37x = 346,689.32 × 187,621.11
  4. Step 4: Simplify right side
    251,000.37x = 65,046,234,105.44
  5. Step 5: Solve for x
    x = 65,046,234,105.44/251,000.37
  6. Step 6: Final answer
    x = 259,147.96

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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.