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Finding the Fourth Proportional to 268,296.02, 402,524.52 and 108,289.64

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Solution

The fourth proportional to 268,296.02, 402,524.52 and 108,289.64 is: 162,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,296.02 : 402,524.52 = 108,289.64 : x
  2. Step 2: Convert to fraction form
    268,296.02/402,524.52 = 108,289.64/x
  3. Step 3: Cross multiply
    268,296.02x = 402,524.52 × 108,289.64
  4. Step 4: Simplify right side
    268,296.02x = 43,589,235,361.97
  5. Step 5: Solve for x
    x = 43,589,235,361.97/268,296.02
  6. Step 6: Final answer
    x = 162,466.95

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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.