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Finding the Fourth Proportional to 167,529.84, 231,179.04 and 99,543.84

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Solution

The fourth proportional to 167,529.84, 231,179.04 and 99,543.84 is: 137,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,529.84 : 231,179.04 = 99,543.84 : x
  2. Step 2: Convert to fraction form
    167,529.84/231,179.04 = 99,543.84/x
  3. Step 3: Cross multiply
    167,529.84x = 231,179.04 × 99,543.84
  4. Step 4: Simplify right side
    167,529.84x = 23,012,449,369.11
  5. Step 5: Solve for x
    x = 23,012,449,369.11/167,529.84
  6. Step 6: Final answer
    x = 137,363.29

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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.