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Finding the Fourth Proportional to 268,197.76, 402,143.36 and 110,535.04

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Solution

The fourth proportional to 268,197.76, 402,143.36 and 110,535.04 is: 165,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,197.76 : 402,143.36 = 110,535.04 : x
  2. Step 2: Convert to fraction form
    268,197.76/402,143.36 = 110,535.04/x
  3. Step 3: Cross multiply
    268,197.76x = 402,143.36 × 110,535.04
  4. Step 4: Simplify right side
    268,197.76x = 44,450,932,383.33
  5. Step 5: Solve for x
    x = 44,450,932,383.33/268,197.76
  6. Step 6: Final answer
    x = 165,739.39

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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.