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Finding the Fourth Proportional to 187,695.66, 281,570.96 and 54,558.62

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Solution

The fourth proportional to 187,695.66, 281,570.96 and 54,558.62 is: 81,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,695.66 : 281,570.96 = 54,558.62 : x
  2. Step 2: Convert to fraction form
    187,695.66/281,570.96 = 54,558.62/x
  3. Step 3: Cross multiply
    187,695.66x = 281,570.96 × 54,558.62
  4. Step 4: Simplify right side
    187,695.66x = 15,362,121,329.03
  5. Step 5: Solve for x
    x = 15,362,121,329.03/187,695.66
  6. Step 6: Final answer
    x = 81,845.91

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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.