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Finding the Fourth Proportional to 167,862, 231,583.04 and 116,861.12

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Solution

The fourth proportional to 167,862, 231,583.04 and 116,861.12 is: 161,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,862 : 231,583.04 = 116,861.12 : x
  2. Step 2: Convert to fraction form
    167,862/231,583.04 = 116,861.12/x
  3. Step 3: Cross multiply
    167,862x = 231,583.04 × 116,861.12
  4. Step 4: Simplify right side
    167,862x = 27,063,053,427.40
  5. Step 5: Solve for x
    x = 27,063,053,427.40/167,862
  6. Step 6: Final answer
    x = 161,222.04

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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.