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Finding the Fourth Proportional to 187,958.79, 281,950.53 and 54,827.91

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Solution

The fourth proportional to 187,958.79, 281,950.53 and 54,827.91 is: 82,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,958.79 : 281,950.53 = 54,827.91 : x
  2. Step 2: Convert to fraction form
    187,958.79/281,950.53 = 54,827.91/x
  3. Step 3: Cross multiply
    187,958.79x = 281,950.53 × 54,827.91
  4. Step 4: Simplify right side
    187,958.79x = 15,458,758,283.29
  5. Step 5: Solve for x
    x = 15,458,758,283.29/187,958.79
  6. Step 6: Final answer
    x = 82,245.47

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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.