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Finding the Fourth Proportional to 187,758.40, 281,545.44 and 92,878.96

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Solution

The fourth proportional to 187,758.40, 281,545.44 and 92,878.96 is: 139,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,758.40 : 281,545.44 = 92,878.96 : x
  2. Step 2: Convert to fraction form
    187,758.40/281,545.44 = 92,878.96/x
  3. Step 3: Cross multiply
    187,758.40x = 281,545.44 × 92,878.96
  4. Step 4: Simplify right side
    187,758.40x = 26,149,647,659.94
  5. Step 5: Solve for x
    x = 26,149,647,659.94/187,758.40
  6. Step 6: Final answer
    x = 139,272.85

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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.