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Finding the Fourth Proportional to 240,522.64, 360,786.38 and 107,409.64

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Solution

The fourth proportional to 240,522.64, 360,786.38 and 107,409.64 is: 161,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,522.64 : 360,786.38 = 107,409.64 : x
  2. Step 2: Convert to fraction form
    240,522.64/360,786.38 = 107,409.64/x
  3. Step 3: Cross multiply
    240,522.64x = 360,786.38 × 107,409.64
  4. Step 4: Simplify right side
    240,522.64x = 38,751,935,192.70
  5. Step 5: Solve for x
    x = 38,751,935,192.70/240,522.64
  6. Step 6: Final answer
    x = 161,115.54

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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.