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Finding the Fourth Proportional to 170,147.70, 255,221.55 and 167,523.30

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Solution

The fourth proportional to 170,147.70, 255,221.55 and 167,523.30 is: 251,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,147.70 : 255,221.55 = 167,523.30 : x
  2. Step 2: Convert to fraction form
    170,147.70/255,221.55 = 167,523.30/x
  3. Step 3: Cross multiply
    170,147.70x = 255,221.55 × 167,523.30
  4. Step 4: Simplify right side
    170,147.70x = 42,755,556,287.12
  5. Step 5: Solve for x
    x = 42,755,556,287.12/170,147.70
  6. Step 6: Final answer
    x = 251,284.95

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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.