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Finding the Fourth Proportional to 240,682.60, 361,155.06 and 107,557.48

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Solution

The fourth proportional to 240,682.60, 361,155.06 and 107,557.48 is: 161,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,682.60 : 361,155.06 = 107,557.48 : x
  2. Step 2: Convert to fraction form
    240,682.60/361,155.06 = 107,557.48/x
  3. Step 3: Cross multiply
    240,682.60x = 361,155.06 × 107,557.48
  4. Step 4: Simplify right side
    240,682.60x = 38,844,928,142.85
  5. Step 5: Solve for x
    x = 38,844,928,142.85/240,682.60
  6. Step 6: Final answer
    x = 161,394.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.