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Finding the Fourth Proportional to 194,356.68, 268,120.58 and 113,734.76

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Solution

The fourth proportional to 194,356.68, 268,120.58 and 113,734.76 is: 156,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,356.68 : 268,120.58 = 113,734.76 : x
  2. Step 2: Convert to fraction form
    194,356.68/268,120.58 = 113,734.76/x
  3. Step 3: Cross multiply
    194,356.68x = 268,120.58 × 113,734.76
  4. Step 4: Simplify right side
    194,356.68x = 30,494,629,817.36
  5. Step 5: Solve for x
    x = 30,494,629,817.36/194,356.68
  6. Step 6: Final answer
    x = 156,900.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.