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Finding the Fourth Proportional to 86,833.94, 119,837.28 and 48,597.32

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Solution

The fourth proportional to 86,833.94, 119,837.28 and 48,597.32 is: 67,067.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,833.94 : 119,837.28 = 48,597.32 : x
  2. Step 2: Convert to fraction form
    86,833.94/119,837.28 = 48,597.32/x
  3. Step 3: Cross multiply
    86,833.94x = 119,837.28 × 48,597.32
  4. Step 4: Simplify right side
    86,833.94x = 5,823,770,644.09
  5. Step 5: Solve for x
    x = 5,823,770,644.09/86,833.94
  6. Step 6: Final answer
    x = 67,067.91

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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.