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Finding the Fourth Proportional to 293,529.89, 405,072.84 and 166,230.29

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Solution

The fourth proportional to 293,529.89, 405,072.84 and 166,230.29 is: 229,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,529.89 : 405,072.84 = 166,230.29 : x
  2. Step 2: Convert to fraction form
    293,529.89/405,072.84 = 166,230.29/x
  3. Step 3: Cross multiply
    293,529.89x = 405,072.84 × 166,230.29
  4. Step 4: Simplify right side
    293,529.89x = 67,335,375,664.32
  5. Step 5: Solve for x
    x = 67,335,375,664.32/293,529.89
  6. Step 6: Final answer
    x = 229,398.70

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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.