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Finding the Fourth Proportional to 268,371.80, 402,738.72 and 110,596.76

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Solution

The fourth proportional to 268,371.80, 402,738.72 and 110,596.76 is: 165,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,371.80 : 402,738.72 = 110,596.76 : x
  2. Step 2: Convert to fraction form
    268,371.80/402,738.72 = 110,596.76/x
  3. Step 3: Cross multiply
    268,371.80x = 402,738.72 × 110,596.76
  4. Step 4: Simplify right side
    268,371.80x = 44,541,597,558.55
  5. Step 5: Solve for x
    x = 44,541,597,558.55/268,371.80
  6. Step 6: Final answer
    x = 165,969.74

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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.