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Finding the Fourth Proportional to 111,054.59, 166,579.11 and 51,956.38

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Solution

The fourth proportional to 111,054.59, 166,579.11 and 51,956.38 is: 77,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,054.59 : 166,579.11 = 51,956.38 : x
  2. Step 2: Convert to fraction form
    111,054.59/166,579.11 = 51,956.38/x
  3. Step 3: Cross multiply
    111,054.59x = 166,579.11 × 51,956.38
  4. Step 4: Simplify right side
    111,054.59x = 8,654,847,122.77
  5. Step 5: Solve for x
    x = 8,654,847,122.77/111,054.59
  6. Step 6: Final answer
    x = 77,933.27

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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.