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Finding the Fourth Proportional to 187,352.82, 281,028.54 and 67,409.52

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Solution

The fourth proportional to 187,352.82, 281,028.54 and 67,409.52 is: 101,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,352.82 : 281,028.54 = 67,409.52 : x
  2. Step 2: Convert to fraction form
    187,352.82/281,028.54 = 67,409.52/x
  3. Step 3: Cross multiply
    187,352.82x = 281,028.54 × 67,409.52
  4. Step 4: Simplify right side
    187,352.82x = 18,943,998,987.70
  5. Step 5: Solve for x
    x = 18,943,998,987.70/187,352.82
  6. Step 6: Final answer
    x = 101,114.03

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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.