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Finding the Fourth Proportional to 96,305.40, 132,900.69 and 53,863.90

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Solution

The fourth proportional to 96,305.40, 132,900.69 and 53,863.90 is: 74,331.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,305.40 : 132,900.69 = 53,863.90 : x
  2. Step 2: Convert to fraction form
    96,305.40/132,900.69 = 53,863.90/x
  3. Step 3: Cross multiply
    96,305.40x = 132,900.69 × 53,863.90
  4. Step 4: Simplify right side
    96,305.40x = 7,158,549,476.09
  5. Step 5: Solve for x
    x = 7,158,549,476.09/96,305.40
  6. Step 6: Final answer
    x = 74,331.76

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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.