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Finding the Fourth Proportional to 279,067.04, 418,863.60 and 101,745.44

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Solution

The fourth proportional to 279,067.04, 418,863.60 and 101,745.44 is: 152,714.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,067.04 : 418,863.60 = 101,745.44 : x
  2. Step 2: Convert to fraction form
    279,067.04/418,863.60 = 101,745.44/x
  3. Step 3: Cross multiply
    279,067.04x = 418,863.60 × 101,745.44
  4. Step 4: Simplify right side
    279,067.04x = 42,617,461,281.98
  5. Step 5: Solve for x
    x = 42,617,461,281.98/279,067.04
  6. Step 6: Final answer
    x = 152,714.06

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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.