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Finding the Fourth Proportional to 111,551.14, 167,160.54 and 61,645.49

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Solution

The fourth proportional to 111,551.14, 167,160.54 and 61,645.49 is: 92,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551.14 : 167,160.54 = 61,645.49 : x
  2. Step 2: Convert to fraction form
    111,551.14/167,160.54 = 61,645.49/x
  3. Step 3: Cross multiply
    111,551.14x = 167,160.54 × 61,645.49
  4. Step 4: Simplify right side
    111,551.14x = 10,304,693,396.96
  5. Step 5: Solve for x
    x = 10,304,693,396.96/111,551.14
  6. Step 6: Final answer
    x = 92,376.41

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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.