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Finding the Fourth Proportional to 269,406.28, 404,109.42 and 119,611.36

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Solution

The fourth proportional to 269,406.28, 404,109.42 and 119,611.36 is: 179,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,406.28 : 404,109.42 = 119,611.36 : x
  2. Step 2: Convert to fraction form
    269,406.28/404,109.42 = 119,611.36/x
  3. Step 3: Cross multiply
    269,406.28x = 404,109.42 × 119,611.36
  4. Step 4: Simplify right side
    269,406.28x = 48,336,077,315.01
  5. Step 5: Solve for x
    x = 48,336,077,315.01/269,406.28
  6. Step 6: Final answer
    x = 179,417.04

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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.