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Finding the Fourth Proportional to 111,262.24, 166,671.04 and 66,864.96

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Solution

The fourth proportional to 111,262.24, 166,671.04 and 66,864.96 is: 100,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,262.24 : 166,671.04 = 66,864.96 : x
  2. Step 2: Convert to fraction form
    111,262.24/166,671.04 = 66,864.96/x
  3. Step 3: Cross multiply
    111,262.24x = 166,671.04 × 66,864.96
  4. Step 4: Simplify right side
    111,262.24x = 11,144,452,422.76
  5. Step 5: Solve for x
    x = 11,144,452,422.76/111,262.24
  6. Step 6: Final answer
    x = 100,163.83

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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.