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Finding the Fourth Proportional to 91,719.99, 137,593.67 and 32,550.71

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Solution

The fourth proportional to 91,719.99, 137,593.67 and 32,550.71 is: 48,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,719.99 : 137,593.67 = 32,550.71 : x
  2. Step 2: Convert to fraction form
    91,719.99/137,593.67 = 32,550.71/x
  3. Step 3: Cross multiply
    91,719.99x = 137,593.67 × 32,550.71
  4. Step 4: Simplify right side
    91,719.99x = 4,478,770,799.28
  5. Step 5: Solve for x
    x = 4,478,770,799.28/91,719.99
  6. Step 6: Final answer
    x = 48,830.91

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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.