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Finding the Fourth Proportional to 251,283.80, 376,963.04 and 82,773

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Solution

The fourth proportional to 251,283.80, 376,963.04 and 82,773 is: 124,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,283.80 : 376,963.04 = 82,773 : x
  2. Step 2: Convert to fraction form
    251,283.80/376,963.04 = 82,773/x
  3. Step 3: Cross multiply
    251,283.80x = 376,963.04 × 82,773
  4. Step 4: Simplify right side
    251,283.80x = 31,202,361,709.92
  5. Step 5: Solve for x
    x = 31,202,361,709.92/251,283.80
  6. Step 6: Final answer
    x = 124,171.80

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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.