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Finding the Fourth Proportional to 251,269.53, 376,941.65 and 82,758.75

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Solution

The fourth proportional to 251,269.53, 376,941.65 and 82,758.75 is: 124,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,269.53 : 376,941.65 = 82,758.75 : x
  2. Step 2: Convert to fraction form
    251,269.53/376,941.65 = 82,758.75/x
  3. Step 3: Cross multiply
    251,269.53x = 376,941.65 × 82,758.75
  4. Step 4: Simplify right side
    251,269.53x = 31,195,218,415.13
  5. Step 5: Solve for x
    x = 31,195,218,415.13/251,269.53
  6. Step 6: Final answer
    x = 124,150.42

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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.