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Finding the Fourth Proportional to 132,524.44, 198,785.74 and 53,637.52

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Solution

The fourth proportional to 132,524.44, 198,785.74 and 53,637.52 is: 80,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,524.44 : 198,785.74 = 53,637.52 : x
  2. Step 2: Convert to fraction form
    132,524.44/198,785.74 = 53,637.52/x
  3. Step 3: Cross multiply
    132,524.44x = 198,785.74 × 53,637.52
  4. Step 4: Simplify right side
    132,524.44x = 10,662,374,601.93
  5. Step 5: Solve for x
    x = 10,662,374,601.93/132,524.44
  6. Step 6: Final answer
    x = 80,455.91

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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.