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Finding the Fourth Proportional to 226,168.56, 339,252.88 and 76,409.28

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Solution

The fourth proportional to 226,168.56, 339,252.88 and 76,409.28 is: 114,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,168.56 : 339,252.88 = 76,409.28 : x
  2. Step 2: Convert to fraction form
    226,168.56/339,252.88 = 76,409.28/x
  3. Step 3: Cross multiply
    226,168.56x = 339,252.88 × 76,409.28
  4. Step 4: Simplify right side
    226,168.56x = 25,922,068,298.73
  5. Step 5: Solve for x
    x = 25,922,068,298.73/226,168.56
  6. Step 6: Final answer
    x = 114,613.93

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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.