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Finding the Fourth Proportional to 104,662.56, 144,438.14 and 59,959.20

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Solution

The fourth proportional to 104,662.56, 144,438.14 and 59,959.20 is: 82,745.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,662.56 : 144,438.14 = 59,959.20 : x
  2. Step 2: Convert to fraction form
    104,662.56/144,438.14 = 59,959.20/x
  3. Step 3: Cross multiply
    104,662.56x = 144,438.14 × 59,959.20
  4. Step 4: Simplify right side
    104,662.56x = 8,660,395,323.89
  5. Step 5: Solve for x
    x = 8,660,395,323.89/104,662.56
  6. Step 6: Final answer
    x = 82,745.88

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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.