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Finding the Fourth Proportional to 132,059.37, 198,039.39 and 47,798.71

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Solution

The fourth proportional to 132,059.37, 198,039.39 and 47,798.71 is: 71,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,059.37 : 198,039.39 = 47,798.71 : x
  2. Step 2: Convert to fraction form
    132,059.37/198,039.39 = 47,798.71/x
  3. Step 3: Cross multiply
    132,059.37x = 198,039.39 × 47,798.71
  4. Step 4: Simplify right side
    132,059.37x = 9,466,027,371.19
  5. Step 5: Solve for x
    x = 9,466,027,371.19/132,059.37
  6. Step 6: Final answer
    x = 71,680.09

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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.