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Finding the Fourth Proportional to 195,168.64, 269,184.10 and 167,990.96

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Solution

The fourth proportional to 195,168.64, 269,184.10 and 167,990.96 is: 231,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,168.64 : 269,184.10 = 167,990.96 : x
  2. Step 2: Convert to fraction form
    195,168.64/269,184.10 = 167,990.96/x
  3. Step 3: Cross multiply
    195,168.64x = 269,184.10 × 167,990.96
  4. Step 4: Simplify right side
    195,168.64x = 45,220,495,375.74
  5. Step 5: Solve for x
    x = 45,220,495,375.74/195,168.64
  6. Step 6: Final answer
    x = 231,699.60

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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.