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Finding the Fourth Proportional to 251,300.74, 376,965.24 and 80,537.32

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Solution

The fourth proportional to 251,300.74, 376,965.24 and 80,537.32 is: 120,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,300.74 : 376,965.24 = 80,537.32 : x
  2. Step 2: Convert to fraction form
    251,300.74/376,965.24 = 80,537.32/x
  3. Step 3: Cross multiply
    251,300.74x = 376,965.24 × 80,537.32
  4. Step 4: Simplify right side
    251,300.74x = 30,359,770,162.76
  5. Step 5: Solve for x
    x = 30,359,770,162.76/251,300.74
  6. Step 6: Final answer
    x = 120,810.51

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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.