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Finding the Fourth Proportional to 132,662.52, 198,818.26 and 53,683.32

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Solution

The fourth proportional to 132,662.52, 198,818.26 and 53,683.32 is: 80,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,662.52 : 198,818.26 = 53,683.32 : x
  2. Step 2: Convert to fraction form
    132,662.52/198,818.26 = 53,683.32/x
  3. Step 3: Cross multiply
    132,662.52x = 198,818.26 × 53,683.32
  4. Step 4: Simplify right side
    132,662.52x = 10,673,224,273.42
  5. Step 5: Solve for x
    x = 10,673,224,273.42/132,662.52
  6. Step 6: Final answer
    x = 80,453.95

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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.