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Finding the Fourth Proportional to 96,908.37, 133,744.64 and 53,892.15

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Solution

The fourth proportional to 96,908.37, 133,744.64 and 53,892.15 is: 74,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,908.37 : 133,744.64 = 53,892.15 : x
  2. Step 2: Convert to fraction form
    96,908.37/133,744.64 = 53,892.15/x
  3. Step 3: Cross multiply
    96,908.37x = 133,744.64 × 53,892.15
  4. Step 4: Simplify right side
    96,908.37x = 7,207,786,200.58
  5. Step 5: Solve for x
    x = 7,207,786,200.58/96,908.37
  6. Step 6: Final answer
    x = 74,377.33

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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.