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Finding the Fourth Proportional to 96,308.96, 132,899.14 and 53,859.29

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Solution

The fourth proportional to 96,308.96, 132,899.14 and 53,859.29 is: 74,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,308.96 : 132,899.14 = 53,859.29 : x
  2. Step 2: Convert to fraction form
    96,308.96/132,899.14 = 53,859.29/x
  3. Step 3: Cross multiply
    96,308.96x = 132,899.14 × 53,859.29
  4. Step 4: Simplify right side
    96,308.96x = 7,157,852,522.87
  5. Step 5: Solve for x
    x = 7,157,852,522.87/96,308.96
  6. Step 6: Final answer
    x = 74,321.78

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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.