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Finding the Fourth Proportional to 96,103.44, 132,552.72 and 64,216.44

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Solution

The fourth proportional to 96,103.44, 132,552.72 and 64,216.44 is: 88,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,103.44 : 132,552.72 = 64,216.44 : x
  2. Step 2: Convert to fraction form
    96,103.44/132,552.72 = 64,216.44/x
  3. Step 3: Cross multiply
    96,103.44x = 132,552.72 × 64,216.44
  4. Step 4: Simplify right side
    96,103.44x = 8,512,063,790.72
  5. Step 5: Solve for x
    x = 8,512,063,790.72/96,103.44
  6. Step 6: Final answer
    x = 88,571.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.