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Finding the Fourth Proportional to 111,197.77, 166,795.15 and 26,958.66

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Solution

The fourth proportional to 111,197.77, 166,795.15 and 26,958.66 is: 40,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,197.77 : 166,795.15 = 26,958.66 : x
  2. Step 2: Convert to fraction form
    111,197.77/166,795.15 = 26,958.66/x
  3. Step 3: Cross multiply
    111,197.77x = 166,795.15 × 26,958.66
  4. Step 4: Simplify right side
    111,197.77x = 4,496,573,096.17
  5. Step 5: Solve for x
    x = 4,496,573,096.17/111,197.77
  6. Step 6: Final answer
    x = 40,437.62

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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.