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Finding the Fourth Proportional to 100,550.99, 150,845.93 and 38,216.63

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Solution

The fourth proportional to 100,550.99, 150,845.93 and 38,216.63 is: 57,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,550.99 : 150,845.93 = 38,216.63 : x
  2. Step 2: Convert to fraction form
    100,550.99/150,845.93 = 38,216.63/x
  3. Step 3: Cross multiply
    100,550.99x = 150,845.93 × 38,216.63
  4. Step 4: Simplify right side
    100,550.99x = 5,764,822,148.50
  5. Step 5: Solve for x
    x = 5,764,822,148.50/100,550.99
  6. Step 6: Final answer
    x = 57,332.33

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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.