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Finding the Fourth Proportional to 179,706.40, 269,559.60 and 109,722.40

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Solution

The fourth proportional to 179,706.40, 269,559.60 and 109,722.40 is: 164,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,706.40 : 269,559.60 = 109,722.40 : x
  2. Step 2: Convert to fraction form
    179,706.40/269,559.60 = 109,722.40/x
  3. Step 3: Cross multiply
    179,706.40x = 269,559.60 × 109,722.40
  4. Step 4: Simplify right side
    179,706.40x = 29,576,726,255.04
  5. Step 5: Solve for x
    x = 29,576,726,255.04/179,706.40
  6. Step 6: Final answer
    x = 164,583.60

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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.