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Finding the Fourth Proportional to 187,885.80, 281,511.72 and 92,989.44

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Solution

The fourth proportional to 187,885.80, 281,511.72 and 92,989.44 is: 139,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,885.80 : 281,511.72 = 92,989.44 : x
  2. Step 2: Convert to fraction form
    187,885.80/281,511.72 = 92,989.44/x
  3. Step 3: Cross multiply
    187,885.80x = 281,511.72 × 92,989.44
  4. Step 4: Simplify right side
    187,885.80x = 26,177,617,196.24
  5. Step 5: Solve for x
    x = 26,177,617,196.24/187,885.80
  6. Step 6: Final answer
    x = 139,327.28

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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.