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Finding the Fourth Proportional to 80,044.40, 119,836.20 and 48,940.40

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Solution

The fourth proportional to 80,044.40, 119,836.20 and 48,940.40 is: 73,269.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,044.40 : 119,836.20 = 48,940.40 : x
  2. Step 2: Convert to fraction form
    80,044.40/119,836.20 = 48,940.40/x
  3. Step 3: Cross multiply
    80,044.40x = 119,836.20 × 48,940.40
  4. Step 4: Simplify right side
    80,044.40x = 5,864,831,562.48
  5. Step 5: Solve for x
    x = 5,864,831,562.48/80,044.40
  6. Step 6: Final answer
    x = 73,269.73

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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.