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Finding the Fourth Proportional to 132,372.72, 182,601 and 83,885.58

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Solution

The fourth proportional to 132,372.72, 182,601 and 83,885.58 is: 115,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.72 : 182,601 = 83,885.58 : x
  2. Step 2: Convert to fraction form
    132,372.72/182,601 = 83,885.58/x
  3. Step 3: Cross multiply
    132,372.72x = 182,601 × 83,885.58
  4. Step 4: Simplify right side
    132,372.72x = 15,317,590,793.58
  5. Step 5: Solve for x
    x = 15,317,590,793.58/132,372.72
  6. Step 6: Final answer
    x = 115,715.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.