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Finding the Fourth Proportional to 251,277.78, 376,962.84 and 82,808.04

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Solution

The fourth proportional to 251,277.78, 376,962.84 and 82,808.04 is: 124,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,277.78 : 376,962.84 = 82,808.04 : x
  2. Step 2: Convert to fraction form
    251,277.78/376,962.84 = 82,808.04/x
  3. Step 3: Cross multiply
    251,277.78x = 376,962.84 × 82,808.04
  4. Step 4: Simplify right side
    251,277.78x = 31,215,553,933.23
  5. Step 5: Solve for x
    x = 31,215,553,933.23/251,277.78
  6. Step 6: Final answer
    x = 124,227.28

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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.