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Finding the Fourth Proportional to 187,568, 281,352 and 56,240

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Solution

The fourth proportional to 187,568, 281,352 and 56,240 is: 84,360

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,568 : 281,352 = 56,240 : x
  2. Step 2: Convert to fraction form
    187,568/281,352 = 56,240/x
  3. Step 3: Cross multiply
    187,568x = 281,352 × 56,240
  4. Step 4: Simplify right side
    187,568x = 15,823,236,480
  5. Step 5: Solve for x
    x = 15,823,236,480/187,568
  6. Step 6: Final answer
    x = 84,360

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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.