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Finding the Fourth Proportional to 96,115.59, 132,650.71 and 79,954.32

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Solution

The fourth proportional to 96,115.59, 132,650.71 and 79,954.32 is: 110,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,115.59 : 132,650.71 = 79,954.32 : x
  2. Step 2: Convert to fraction form
    96,115.59/132,650.71 = 79,954.32/x
  3. Step 3: Cross multiply
    96,115.59x = 132,650.71 × 79,954.32
  4. Step 4: Simplify right side
    96,115.59x = 10,605,997,315.57
  5. Step 5: Solve for x
    x = 10,605,997,315.57/96,115.59
  6. Step 6: Final answer
    x = 110,346.27

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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.