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Finding the Fourth Proportional to 111,458.80, 167,049.96 and 55,238.32

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Solution

The fourth proportional to 111,458.80, 167,049.96 and 55,238.32 is: 82,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,458.80 : 167,049.96 = 55,238.32 : x
  2. Step 2: Convert to fraction form
    111,458.80/167,049.96 = 55,238.32/x
  3. Step 3: Cross multiply
    111,458.80x = 167,049.96 × 55,238.32
  4. Step 4: Simplify right side
    111,458.80x = 9,227,559,146.47
  5. Step 5: Solve for x
    x = 9,227,559,146.47/111,458.80
  6. Step 6: Final answer
    x = 82,788.97

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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.