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Finding the Fourth Proportional to 229,067.49, 343,518.92 and 79,267.11

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Solution

The fourth proportional to 229,067.49, 343,518.92 and 79,267.11 is: 118,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,067.49 : 343,518.92 = 79,267.11 : x
  2. Step 2: Convert to fraction form
    229,067.49/343,518.92 = 79,267.11/x
  3. Step 3: Cross multiply
    229,067.49x = 343,518.92 × 79,267.11
  4. Step 4: Simplify right side
    229,067.49x = 27,229,751,077.32
  5. Step 5: Solve for x
    x = 27,229,751,077.32/229,067.49
  6. Step 6: Final answer
    x = 118,872.17

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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.