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Finding the Fourth Proportional to 96,676, 133,412.92 and 58,958.08

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Solution

The fourth proportional to 96,676, 133,412.92 and 58,958.08 is: 81,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,676 : 133,412.92 = 58,958.08 : x
  2. Step 2: Convert to fraction form
    96,676/133,412.92 = 58,958.08/x
  3. Step 3: Cross multiply
    96,676x = 133,412.92 × 58,958.08
  4. Step 4: Simplify right side
    96,676x = 7,865,769,610.39
  5. Step 5: Solve for x
    x = 7,865,769,610.39/96,676
  6. Step 6: Final answer
    x = 81,362.17

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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.