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Finding the Fourth Proportional to 111,797.20, 167,404.20 and 106,548.40

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Solution

The fourth proportional to 111,797.20, 167,404.20 and 106,548.40 is: 159,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,797.20 : 167,404.20 = 106,548.40 : x
  2. Step 2: Convert to fraction form
    111,797.20/167,404.20 = 106,548.40/x
  3. Step 3: Cross multiply
    111,797.20x = 167,404.20 × 106,548.40
  4. Step 4: Simplify right side
    111,797.20x = 17,836,649,663.28
  5. Step 5: Solve for x
    x = 17,836,649,663.28/111,797.20
  6. Step 6: Final answer
    x = 159,544.69

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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.