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Finding the Fourth Proportional to 251,149.30, 376,784.70 and 73,662.10

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Solution

The fourth proportional to 251,149.30, 376,784.70 and 73,662.10 is: 110,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,149.30 : 376,784.70 = 73,662.10 : x
  2. Step 2: Convert to fraction form
    251,149.30/376,784.70 = 73,662.10/x
  3. Step 3: Cross multiply
    251,149.30x = 376,784.70 × 73,662.10
  4. Step 4: Simplify right side
    251,149.30x = 27,754,752,249.87
  5. Step 5: Solve for x
    x = 27,754,752,249.87/251,149.30
  6. Step 6: Final answer
    x = 110,510.97

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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.