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Finding the Fourth Proportional to 118,375.26, 163,362.71 and 68,074.26

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Solution

The fourth proportional to 118,375.26, 163,362.71 and 68,074.26 is: 93,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375.26 : 163,362.71 = 68,074.26 : x
  2. Step 2: Convert to fraction form
    118,375.26/163,362.71 = 68,074.26/x
  3. Step 3: Cross multiply
    118,375.26x = 163,362.71 × 68,074.26
  4. Step 4: Simplify right side
    118,375.26x = 11,120,795,594.84
  5. Step 5: Solve for x
    x = 11,120,795,594.84/118,375.26
  6. Step 6: Final answer
    x = 93,945.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.