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Finding the Fourth Proportional to 135,951.40, 187,610.28 and 75,519.34

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Solution

The fourth proportional to 135,951.40, 187,610.28 and 75,519.34 is: 104,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,951.40 : 187,610.28 = 75,519.34 : x
  2. Step 2: Convert to fraction form
    135,951.40/187,610.28 = 75,519.34/x
  3. Step 3: Cross multiply
    135,951.40x = 187,610.28 × 75,519.34
  4. Step 4: Simplify right side
    135,951.40x = 14,168,204,522.82
  5. Step 5: Solve for x
    x = 14,168,204,522.82/135,951.40
  6. Step 6: Final answer
    x = 104,215.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.