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Finding the Fourth Proportional to 192,495.90, 288,197.10 and 182,022.60

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Solution

The fourth proportional to 192,495.90, 288,197.10 and 182,022.60 is: 272,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,495.90 : 288,197.10 = 182,022.60 : x
  2. Step 2: Convert to fraction form
    192,495.90/288,197.10 = 182,022.60/x
  3. Step 3: Cross multiply
    192,495.90x = 288,197.10 × 182,022.60
  4. Step 4: Simplify right side
    192,495.90x = 52,458,385,454.46
  5. Step 5: Solve for x
    x = 52,458,385,454.46/192,495.90
  6. Step 6: Final answer
    x = 272,516.90

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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.