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Finding the Fourth Proportional to 79,991.93, 119,727.50 and 58,923.68

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Solution

The fourth proportional to 79,991.93, 119,727.50 and 58,923.68 is: 88,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,991.93 : 119,727.50 = 58,923.68 : x
  2. Step 2: Convert to fraction form
    79,991.93/119,727.50 = 58,923.68/x
  3. Step 3: Cross multiply
    79,991.93x = 119,727.50 × 58,923.68
  4. Step 4: Simplify right side
    79,991.93x = 7,054,784,003.94
  5. Step 5: Solve for x
    x = 7,054,784,003.94/79,991.93
  6. Step 6: Final answer
    x = 88,193.69

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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.