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Finding the Fourth Proportional to 187,776.56, 281,727.60 and 61,422.56

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Solution

The fourth proportional to 187,776.56, 281,727.60 and 61,422.56 is: 92,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,776.56 : 281,727.60 = 61,422.56 : x
  2. Step 2: Convert to fraction form
    187,776.56/281,727.60 = 61,422.56/x
  3. Step 3: Cross multiply
    187,776.56x = 281,727.60 × 61,422.56
  4. Step 4: Simplify right side
    187,776.56x = 17,304,430,414.66
  5. Step 5: Solve for x
    x = 17,304,430,414.66/187,776.56
  6. Step 6: Final answer
    x = 92,154.37

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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.