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Finding the Fourth Proportional to 226,700.14, 340,007.92 and 91,728.84

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Solution

The fourth proportional to 226,700.14, 340,007.92 and 91,728.84 is: 137,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,700.14 : 340,007.92 = 91,728.84 : x
  2. Step 2: Convert to fraction form
    226,700.14/340,007.92 = 91,728.84/x
  3. Step 3: Cross multiply
    226,700.14x = 340,007.92 × 91,728.84
  4. Step 4: Simplify right side
    226,700.14x = 31,188,529,933.73
  5. Step 5: Solve for x
    x = 31,188,529,933.73/226,700.14
  6. Step 6: Final answer
    x = 137,576.14

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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.