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Finding the Fourth Proportional to 132,670.44, 198,858.72 and 53,761.32

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Solution

The fourth proportional to 132,670.44, 198,858.72 and 53,761.32 is: 80,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,670.44 : 198,858.72 = 53,761.32 : x
  2. Step 2: Convert to fraction form
    132,670.44/198,858.72 = 53,761.32/x
  3. Step 3: Cross multiply
    132,670.44x = 198,858.72 × 53,761.32
  4. Step 4: Simplify right side
    132,670.44x = 10,690,907,280.71
  5. Step 5: Solve for x
    x = 10,690,907,280.71/132,670.44
  6. Step 6: Final answer
    x = 80,582.44

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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.