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Finding the Fourth Proportional to 102,994.30, 154,491.45 and 32,880.70

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Solution

The fourth proportional to 102,994.30, 154,491.45 and 32,880.70 is: 49,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,994.30 : 154,491.45 = 32,880.70 : x
  2. Step 2: Convert to fraction form
    102,994.30/154,491.45 = 32,880.70/x
  3. Step 3: Cross multiply
    102,994.30x = 154,491.45 × 32,880.70
  4. Step 4: Simplify right side
    102,994.30x = 5,079,787,020.02
  5. Step 5: Solve for x
    x = 5,079,787,020.02/102,994.30
  6. Step 6: Final answer
    x = 49,321.05

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1.5x scale

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.