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Finding the Fourth Proportional to 96,187.34, 132,738.25 and 53,745.90

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Solution

The fourth proportional to 96,187.34, 132,738.25 and 53,745.90 is: 74,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,187.34 : 132,738.25 = 53,745.90 : x
  2. Step 2: Convert to fraction form
    96,187.34/132,738.25 = 53,745.90/x
  3. Step 3: Cross multiply
    96,187.34x = 132,738.25 × 53,745.90
  4. Step 4: Simplify right side
    96,187.34x = 7,134,136,710.68
  5. Step 5: Solve for x
    x = 7,134,136,710.68/96,187.34
  6. Step 6: Final answer
    x = 74,169.19

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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.