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Finding the Fourth Proportional to 111,040.52, 166,559.28 and 26,799.96

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Solution

The fourth proportional to 111,040.52, 166,559.28 and 26,799.96 is: 40,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,040.52 : 166,559.28 = 26,799.96 : x
  2. Step 2: Convert to fraction form
    111,040.52/166,559.28 = 26,799.96/x
  3. Step 3: Cross multiply
    111,040.52x = 166,559.28 × 26,799.96
  4. Step 4: Simplify right side
    111,040.52x = 4,463,782,041.63
  5. Step 5: Solve for x
    x = 4,463,782,041.63/111,040.52
  6. Step 6: Final answer
    x = 40,199.58

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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.