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Finding the Fourth Proportional to 179,626.60, 269,107.80 and 104,782.60

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Solution

The fourth proportional to 179,626.60, 269,107.80 and 104,782.60 is: 156,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,626.60 : 269,107.80 = 104,782.60 : x
  2. Step 2: Convert to fraction form
    179,626.60/269,107.80 = 104,782.60/x
  3. Step 3: Cross multiply
    179,626.60x = 269,107.80 × 104,782.60
  4. Step 4: Simplify right side
    179,626.60x = 28,197,814,964.28
  5. Step 5: Solve for x
    x = 28,197,814,964.28/179,626.60
  6. Step 6: Final answer
    x = 156,980.17

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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.