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Finding the Fourth Proportional to 79,489.62, 119,518.54 and 73,325.93

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Solution

The fourth proportional to 79,489.62, 119,518.54 and 73,325.93 is: 110,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,489.62 : 119,518.54 = 73,325.93 : x
  2. Step 2: Convert to fraction form
    79,489.62/119,518.54 = 73,325.93/x
  3. Step 3: Cross multiply
    79,489.62x = 119,518.54 × 73,325.93
  4. Step 4: Simplify right side
    79,489.62x = 8,763,807,316.83
  5. Step 5: Solve for x
    x = 8,763,807,316.83/79,489.62
  6. Step 6: Final answer
    x = 110,250.97

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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.