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Finding the Fourth Proportional to 73,958.09, 110,607.72 and 65,691.77

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Solution

The fourth proportional to 73,958.09, 110,607.72 and 65,691.77 is: 98,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,958.09 : 110,607.72 = 65,691.77 : x
  2. Step 2: Convert to fraction form
    73,958.09/110,607.72 = 65,691.77/x
  3. Step 3: Cross multiply
    73,958.09x = 110,607.72 × 65,691.77
  4. Step 4: Simplify right side
    73,958.09x = 7,266,016,902.46
  5. Step 5: Solve for x
    x = 7,266,016,902.46/73,958.09
  6. Step 6: Final answer
    x = 98,245.06

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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.