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Finding the Fourth Proportional to 96,346.66, 132,974.14 and 66,107.03

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Solution

The fourth proportional to 96,346.66, 132,974.14 and 66,107.03 is: 91,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,346.66 : 132,974.14 = 66,107.03 : x
  2. Step 2: Convert to fraction form
    96,346.66/132,974.14 = 66,107.03/x
  3. Step 3: Cross multiply
    96,346.66x = 132,974.14 × 66,107.03
  4. Step 4: Simplify right side
    96,346.66x = 8,790,525,462.20
  5. Step 5: Solve for x
    x = 8,790,525,462.20/96,346.66
  6. Step 6: Final answer
    x = 91,238.51

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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.