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Finding the Fourth Proportional to 171,445.50, 236,540.12 and 111,062.43

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Solution

The fourth proportional to 171,445.50, 236,540.12 and 111,062.43 is: 153,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,445.50 : 236,540.12 = 111,062.43 : x
  2. Step 2: Convert to fraction form
    171,445.50/236,540.12 = 111,062.43/x
  3. Step 3: Cross multiply
    171,445.50x = 236,540.12 × 111,062.43
  4. Step 4: Simplify right side
    171,445.50x = 26,270,719,964.38
  5. Step 5: Solve for x
    x = 26,270,719,964.38/171,445.50
  6. Step 6: Final answer
    x = 153,230.73

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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.