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Finding the Fourth Proportional to 179,791.40, 248,114.04 and 99,221.96

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Solution

The fourth proportional to 179,791.40, 248,114.04 and 99,221.96 is: 136,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,791.40 : 248,114.04 = 99,221.96 : x
  2. Step 2: Convert to fraction form
    179,791.40/248,114.04 = 99,221.96/x
  3. Step 3: Cross multiply
    179,791.40x = 248,114.04 × 99,221.96
  4. Step 4: Simplify right side
    179,791.40x = 24,618,361,352.32
  5. Step 5: Solve for x
    x = 24,618,361,352.32/179,791.40
  6. Step 6: Final answer
    x = 136,927.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.