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Finding the Fourth Proportional to 135,462.14, 187,029.10 and 84,552.42

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Solution

The fourth proportional to 135,462.14, 187,029.10 and 84,552.42 is: 116,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,462.14 : 187,029.10 = 84,552.42 : x
  2. Step 2: Convert to fraction form
    135,462.14/187,029.10 = 84,552.42/x
  3. Step 3: Cross multiply
    135,462.14x = 187,029.10 × 84,552.42
  4. Step 4: Simplify right side
    135,462.14x = 15,813,763,015.42
  5. Step 5: Solve for x
    x = 15,813,763,015.42/135,462.14
  6. Step 6: Final answer
    x = 116,739.36

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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.