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Finding the Fourth Proportional to 167,911.65, 251,867.48 and 114,767.55

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Solution

The fourth proportional to 167,911.65, 251,867.48 and 114,767.55 is: 172,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,911.65 : 251,867.48 = 114,767.55 : x
  2. Step 2: Convert to fraction form
    167,911.65/251,867.48 = 114,767.55/x
  3. Step 3: Cross multiply
    167,911.65x = 251,867.48 × 114,767.55
  4. Step 4: Simplify right side
    167,911.65x = 28,906,213,030.44
  5. Step 5: Solve for x
    x = 28,906,213,030.44/167,911.65
  6. Step 6: Final answer
    x = 172,151.33

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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.