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Finding the Fourth Proportional to 187,592.76, 281,418.57 and 61,203.87

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Solution

The fourth proportional to 187,592.76, 281,418.57 and 61,203.87 is: 91,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,592.76 : 281,418.57 = 61,203.87 : x
  2. Step 2: Convert to fraction form
    187,592.76/281,418.57 = 61,203.87/x
  3. Step 3: Cross multiply
    187,592.76x = 281,418.57 × 61,203.87
  4. Step 4: Simplify right side
    187,592.76x = 17,223,905,573.87
  5. Step 5: Solve for x
    x = 17,223,905,573.87/187,592.76
  6. Step 6: Final answer
    x = 91,815.41

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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.