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Finding the Fourth Proportional to 86,602.77, 119,517.12 and 48,362.27

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Solution

The fourth proportional to 86,602.77, 119,517.12 and 48,362.27 is: 66,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,602.77 : 119,517.12 = 48,362.27 : x
  2. Step 2: Convert to fraction form
    86,602.77/119,517.12 = 48,362.27/x
  3. Step 3: Cross multiply
    86,602.77x = 119,517.12 × 48,362.27
  4. Step 4: Simplify right side
    86,602.77x = 5,780,118,629.48
  5. Step 5: Solve for x
    x = 5,780,118,629.48/86,602.77
  6. Step 6: Final answer
    x = 66,742.88

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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.