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Finding the Fourth Proportional to 86,463.52, 119,309.52 and 48,735.52

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Solution

The fourth proportional to 86,463.52, 119,309.52 and 48,735.52 is: 67,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,463.52 : 119,309.52 = 48,735.52 : x
  2. Step 2: Convert to fraction form
    86,463.52/119,309.52 = 48,735.52/x
  3. Step 3: Cross multiply
    86,463.52x = 119,309.52 × 48,735.52
  4. Step 4: Simplify right side
    86,463.52x = 5,814,611,498.15
  5. Step 5: Solve for x
    x = 5,814,611,498.15/86,463.52
  6. Step 6: Final answer
    x = 67,249.30

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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.