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Finding the Fourth Proportional to 226,476.60, 339,746.94 and 76,759.56

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Solution

The fourth proportional to 226,476.60, 339,746.94 and 76,759.56 is: 115,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,476.60 : 339,746.94 = 76,759.56 : x
  2. Step 2: Convert to fraction form
    226,476.60/339,746.94 = 76,759.56/x
  3. Step 3: Cross multiply
    226,476.60x = 339,746.94 × 76,759.56
  4. Step 4: Simplify right side
    226,476.60x = 26,078,825,625.75
  5. Step 5: Solve for x
    x = 26,078,825,625.75/226,476.60
  6. Step 6: Final answer
    x = 115,150.20

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1.5x scale

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.