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Finding the Fourth Proportional to 187,857.94, 281,879.31 and 88,000.87

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Solution

The fourth proportional to 187,857.94, 281,879.31 and 88,000.87 is: 132,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,857.94 : 281,879.31 = 88,000.87 : x
  2. Step 2: Convert to fraction form
    187,857.94/281,879.31 = 88,000.87/x
  3. Step 3: Cross multiply
    187,857.94x = 281,879.31 × 88,000.87
  4. Step 4: Simplify right side
    187,857.94x = 24,805,624,515.00
  5. Step 5: Solve for x
    x = 24,805,624,515.00/187,857.94
  6. Step 6: Final answer
    x = 132,044.59

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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.