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Finding the Fourth Proportional to 251,463.06, 347,162.49 and 166,694.94

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Solution

The fourth proportional to 251,463.06, 347,162.49 and 166,694.94 is: 230,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,463.06 : 347,162.49 = 166,694.94 : x
  2. Step 2: Convert to fraction form
    251,463.06/347,162.49 = 166,694.94/x
  3. Step 3: Cross multiply
    251,463.06x = 347,162.49 × 166,694.94
  4. Step 4: Simplify right side
    251,463.06x = 57,870,230,440.80
  5. Step 5: Solve for x
    x = 57,870,230,440.80/251,463.06
  6. Step 6: Final answer
    x = 230,134.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.