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Finding the Fourth Proportional to 187,492, 281,238 and 56,164

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Solution

The fourth proportional to 187,492, 281,238 and 56,164 is: 84,246

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,492 : 281,238 = 56,164 : x
  2. Step 2: Convert to fraction form
    187,492/281,238 = 56,164/x
  3. Step 3: Cross multiply
    187,492x = 281,238 × 56,164
  4. Step 4: Simplify right side
    187,492x = 15,795,451,032
  5. Step 5: Solve for x
    x = 15,795,451,032/187,492
  6. Step 6: Final answer
    x = 84,246

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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.