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Finding the Fourth Proportional to 187,752.96, 281,627 and 45,599.40

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Solution

The fourth proportional to 187,752.96, 281,627 and 45,599.40 is: 68,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,752.96 : 281,627 = 45,599.40 : x
  2. Step 2: Convert to fraction form
    187,752.96/281,627 = 45,599.40/x
  3. Step 3: Cross multiply
    187,752.96x = 281,627 × 45,599.40
  4. Step 4: Simplify right side
    187,752.96x = 12,842,022,223.80
  5. Step 5: Solve for x
    x = 12,842,022,223.80/187,752.96
  6. Step 6: Final answer
    x = 68,398.51

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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.