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Finding the Fourth Proportional to 132,557.74, 198,836.61 and 48,324.22

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Solution

The fourth proportional to 132,557.74, 198,836.61 and 48,324.22 is: 72,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,557.74 : 198,836.61 = 48,324.22 : x
  2. Step 2: Convert to fraction form
    132,557.74/198,836.61 = 48,324.22/x
  3. Step 3: Cross multiply
    132,557.74x = 198,836.61 × 48,324.22
  4. Step 4: Simplify right side
    132,557.74x = 9,608,624,085.69
  5. Step 5: Solve for x
    x = 9,608,624,085.69/132,557.74
  6. Step 6: Final answer
    x = 72,486.33

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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.