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Finding the Fourth Proportional to 111,149.10, 166,754.86 and 44,635.93

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Solution

The fourth proportional to 111,149.10, 166,754.86 and 44,635.93 is: 66,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,149.10 : 166,754.86 = 44,635.93 : x
  2. Step 2: Convert to fraction form
    111,149.10/166,754.86 = 44,635.93/x
  3. Step 3: Cross multiply
    111,149.10x = 166,754.86 × 44,635.93
  4. Step 4: Simplify right side
    111,149.10x = 7,443,258,258.12
  5. Step 5: Solve for x
    x = 7,443,258,258.12/111,149.10
  6. Step 6: Final answer
    x = 66,966.43

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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.