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Finding the Fourth Proportional to 187,394.79, 281,096.73 and 73,537.74

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Solution

The fourth proportional to 187,394.79, 281,096.73 and 73,537.74 is: 110,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,394.79 : 281,096.73 = 73,537.74 : x
  2. Step 2: Convert to fraction form
    187,394.79/281,096.73 = 73,537.74/x
  3. Step 3: Cross multiply
    187,394.79x = 281,096.73 × 73,537.74
  4. Step 4: Simplify right side
    187,394.79x = 20,671,218,245.59
  5. Step 5: Solve for x
    x = 20,671,218,245.59/187,394.79
  6. Step 6: Final answer
    x = 110,308.39

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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.