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Finding the Fourth Proportional to 86,833.69, 119,836.93 and 48,597.07

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Solution

The fourth proportional to 86,833.69, 119,836.93 and 48,597.07 is: 67,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,833.69 : 119,836.93 = 48,597.07 : x
  2. Step 2: Convert to fraction form
    86,833.69/119,836.93 = 48,597.07/x
  3. Step 3: Cross multiply
    86,833.69x = 119,836.93 × 48,597.07
  4. Step 4: Simplify right side
    86,833.69x = 5,823,723,675.80
  5. Step 5: Solve for x
    x = 5,823,723,675.80/86,833.69
  6. Step 6: Final answer
    x = 67,067.56

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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.