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Finding the Fourth Proportional to 251,276.66, 376,961.16 and 82,806.92

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Solution

The fourth proportional to 251,276.66, 376,961.16 and 82,806.92 is: 124,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,276.66 : 376,961.16 = 82,806.92 : x
  2. Step 2: Convert to fraction form
    251,276.66/376,961.16 = 82,806.92/x
  3. Step 3: Cross multiply
    251,276.66x = 376,961.16 × 82,806.92
  4. Step 4: Simplify right side
    251,276.66x = 31,214,990,734.42
  5. Step 5: Solve for x
    x = 31,214,990,734.42/251,276.66
  6. Step 6: Final answer
    x = 124,225.59

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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.