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Finding the Fourth Proportional to 111,096.80, 166,645.20 and 48,767.30

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Solution

The fourth proportional to 111,096.80, 166,645.20 and 48,767.30 is: 73,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,096.80 : 166,645.20 = 48,767.30 : x
  2. Step 2: Convert to fraction form
    111,096.80/166,645.20 = 48,767.30/x
  3. Step 3: Cross multiply
    111,096.80x = 166,645.20 × 48,767.30
  4. Step 4: Simplify right side
    111,096.80x = 8,126,836,461.96
  5. Step 5: Solve for x
    x = 8,126,836,461.96/111,096.80
  6. Step 6: Final answer
    x = 73,150.95

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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.