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Finding the Fourth Proportional to 117,939.26, 176,909.49 and 33,709.38

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Solution

The fourth proportional to 117,939.26, 176,909.49 and 33,709.38 is: 50,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,939.26 : 176,909.49 = 33,709.38 : x
  2. Step 2: Convert to fraction form
    117,939.26/176,909.49 = 33,709.38/x
  3. Step 3: Cross multiply
    117,939.26x = 176,909.49 × 33,709.38
  4. Step 4: Simplify right side
    117,939.26x = 5,963,509,224.02
  5. Step 5: Solve for x
    x = 5,963,509,224.02/117,939.26
  6. Step 6: Final answer
    x = 50,564.24

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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.