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Finding the Fourth Proportional to 132,355.53, 182,524.90 and 87,071.87

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Solution

The fourth proportional to 132,355.53, 182,524.90 and 87,071.87 is: 120,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,355.53 : 182,524.90 = 87,071.87 : x
  2. Step 2: Convert to fraction form
    132,355.53/182,524.90 = 87,071.87/x
  3. Step 3: Cross multiply
    132,355.53x = 182,524.90 × 87,071.87
  4. Step 4: Simplify right side
    132,355.53x = 15,892,784,364.56
  5. Step 5: Solve for x
    x = 15,892,784,364.56/132,355.53
  6. Step 6: Final answer
    x = 120,076.47

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Why These Related Problems?

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