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Finding the Fourth Proportional to 269,692.66, 404,719.41 and 111,921.10

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Solution

The fourth proportional to 269,692.66, 404,719.41 and 111,921.10 is: 167,956.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,692.66 : 404,719.41 = 111,921.10 : x
  2. Step 2: Convert to fraction form
    269,692.66/404,719.41 = 111,921.10/x
  3. Step 3: Cross multiply
    269,692.66x = 404,719.41 × 111,921.10
  4. Step 4: Simplify right side
    269,692.66x = 45,296,641,558.55
  5. Step 5: Solve for x
    x = 45,296,641,558.55/269,692.66
  6. Step 6: Final answer
    x = 167,956.52

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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.