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Finding the Fourth Proportional to 84,177.77, 116,185.19 and 48,388.54

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Solution

The fourth proportional to 84,177.77, 116,185.19 and 48,388.54 is: 66,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,177.77 : 116,185.19 = 48,388.54 : x
  2. Step 2: Convert to fraction form
    84,177.77/116,185.19 = 48,388.54/x
  3. Step 3: Cross multiply
    84,177.77x = 116,185.19 × 48,388.54
  4. Step 4: Simplify right side
    84,177.77x = 5,622,031,713.72
  5. Step 5: Solve for x
    x = 5,622,031,713.72/84,177.77
  6. Step 6: Final answer
    x = 66,787.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.