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Finding the Fourth Proportional to 117,645.54, 176,467.96 and 33,405.81

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Solution

The fourth proportional to 117,645.54, 176,467.96 and 33,405.81 is: 50,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,645.54 : 176,467.96 = 33,405.81 : x
  2. Step 2: Convert to fraction form
    117,645.54/176,467.96 = 33,405.81/x
  3. Step 3: Cross multiply
    117,645.54x = 176,467.96 × 33,405.81
  4. Step 4: Simplify right side
    117,645.54x = 5,895,055,142.85
  5. Step 5: Solve for x
    x = 5,895,055,142.85/117,645.54
  6. Step 6: Final answer
    x = 50,108.62

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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.