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Finding the Fourth Proportional to 187,366.44, 281,050.14 and 76,558.44

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Solution

The fourth proportional to 187,366.44, 281,050.14 and 76,558.44 is: 114,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,366.44 : 281,050.14 = 76,558.44 : x
  2. Step 2: Convert to fraction form
    187,366.44/281,050.14 = 76,558.44/x
  3. Step 3: Cross multiply
    187,366.44x = 281,050.14 × 76,558.44
  4. Step 4: Simplify right side
    187,366.44x = 21,516,760,280.18
  5. Step 5: Solve for x
    x = 21,516,760,280.18/187,366.44
  6. Step 6: Final answer
    x = 114,837.86

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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.