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Finding the Fourth Proportional to 148,367.80, 222,530.10 and 43,175.80

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Solution

The fourth proportional to 148,367.80, 222,530.10 and 43,175.80 is: 64,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,367.80 : 222,530.10 = 43,175.80 : x
  2. Step 2: Convert to fraction form
    148,367.80/222,530.10 = 43,175.80/x
  3. Step 3: Cross multiply
    148,367.80x = 222,530.10 × 43,175.80
  4. Step 4: Simplify right side
    148,367.80x = 9,607,915,091.58
  5. Step 5: Solve for x
    x = 9,607,915,091.58/148,367.80
  6. Step 6: Final answer
    x = 64,757.41

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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.