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Finding the Fourth Proportional to 86,662.33, 119,592.52 and 48,422.64

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Solution

The fourth proportional to 86,662.33, 119,592.52 and 48,422.64 is: 66,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,662.33 : 119,592.52 = 48,422.64 : x
  2. Step 2: Convert to fraction form
    86,662.33/119,592.52 = 48,422.64/x
  3. Step 3: Cross multiply
    86,662.33x = 119,592.52 × 48,422.64
  4. Step 4: Simplify right side
    86,662.33x = 5,790,985,542.65
  5. Step 5: Solve for x
    x = 5,790,985,542.65/86,662.33
  6. Step 6: Final answer
    x = 66,822.41

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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.