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Finding the Fourth Proportional to 167,832.46, 251,859.12 and 79,111

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Solution

The fourth proportional to 167,832.46, 251,859.12 and 79,111 is: 118,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,832.46 : 251,859.12 = 79,111 : x
  2. Step 2: Convert to fraction form
    167,832.46/251,859.12 = 79,111/x
  3. Step 3: Cross multiply
    167,832.46x = 251,859.12 × 79,111
  4. Step 4: Simplify right side
    167,832.46x = 19,924,826,842.32
  5. Step 5: Solve for x
    x = 19,924,826,842.32/167,832.46
  6. Step 6: Final answer
    x = 118,718.55

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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.