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Finding the Fourth Proportional to 187,805, 281,648.02 and 61,416.04

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Solution

The fourth proportional to 187,805, 281,648.02 and 61,416.04 is: 92,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,805 : 281,648.02 = 61,416.04 : x
  2. Step 2: Convert to fraction form
    187,805/281,648.02 = 61,416.04/x
  3. Step 3: Cross multiply
    187,805x = 281,648.02 × 61,416.04
  4. Step 4: Simplify right side
    187,805x = 17,297,706,062.24
  5. Step 5: Solve for x
    x = 17,297,706,062.24/187,805
  6. Step 6: Final answer
    x = 92,104.61

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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.