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Finding the Fourth Proportional to 117,219.75, 175,858.79 and 34,113.75

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Solution

The fourth proportional to 117,219.75, 175,858.79 and 34,113.75 is: 51,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,219.75 : 175,858.79 = 34,113.75 : x
  2. Step 2: Convert to fraction form
    117,219.75/175,858.79 = 34,113.75/x
  3. Step 3: Cross multiply
    117,219.75x = 175,858.79 × 34,113.75
  4. Step 4: Simplify right side
    117,219.75x = 5,999,202,626.79
  5. Step 5: Solve for x
    x = 5,999,202,626.79/117,219.75
  6. Step 6: Final answer
    x = 51,179.11

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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.