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Finding the Fourth Proportional to 117,224, 175,833.57 and 28,477.97

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Solution

The fourth proportional to 117,224, 175,833.57 and 28,477.97 is: 42,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224 : 175,833.57 = 28,477.97 : x
  2. Step 2: Convert to fraction form
    117,224/175,833.57 = 28,477.97/x
  3. Step 3: Cross multiply
    117,224x = 175,833.57 × 28,477.97
  4. Step 4: Simplify right side
    117,224x = 5,007,383,131.45
  5. Step 5: Solve for x
    x = 5,007,383,131.45/117,224
  6. Step 6: Final answer
    x = 42,716.36

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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.