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Finding the Fourth Proportional to 111,884.16, 167,785.92 and 37,994.88

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Solution

The fourth proportional to 111,884.16, 167,785.92 and 37,994.88 is: 56,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,884.16 : 167,785.92 = 37,994.88 : x
  2. Step 2: Convert to fraction form
    111,884.16/167,785.92 = 37,994.88/x
  3. Step 3: Cross multiply
    111,884.16x = 167,785.92 × 37,994.88
  4. Step 4: Simplify right side
    111,884.16x = 6,375,005,896.09
  5. Step 5: Solve for x
    x = 6,375,005,896.09/111,884.16
  6. Step 6: Final answer
    x = 56,978.63

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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.