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Finding the Fourth Proportional to 96,372.40, 132,900.60 and 75,143.92

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Solution

The fourth proportional to 96,372.40, 132,900.60 and 75,143.92 is: 103,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,372.40 : 132,900.60 = 75,143.92 : x
  2. Step 2: Convert to fraction form
    96,372.40/132,900.60 = 75,143.92/x
  3. Step 3: Cross multiply
    96,372.40x = 132,900.60 × 75,143.92
  4. Step 4: Simplify right side
    96,372.40x = 9,986,672,054.35
  5. Step 5: Solve for x
    x = 9,986,672,054.35/96,372.40
  6. Step 6: Final answer
    x = 103,625.85

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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.