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Finding the Fourth Proportional to 187,874.78, 281,846.72 and 61,522.06

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Solution

The fourth proportional to 187,874.78, 281,846.72 and 61,522.06 is: 92,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,874.78 : 281,846.72 = 61,522.06 : x
  2. Step 2: Convert to fraction form
    187,874.78/281,846.72 = 61,522.06/x
  3. Step 3: Cross multiply
    187,874.78x = 281,846.72 × 61,522.06
  4. Step 4: Simplify right side
    187,874.78x = 17,339,790,818.64
  5. Step 5: Solve for x
    x = 17,339,790,818.64/187,874.78
  6. Step 6: Final answer
    x = 92,294.40

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1.5x scale

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.