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Finding the Fourth Proportional to 293,399.86, 404,901.45 and 166,072.72

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Solution

The fourth proportional to 293,399.86, 404,901.45 and 166,072.72 is: 229,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,399.86 : 404,901.45 = 166,072.72 : x
  2. Step 2: Convert to fraction form
    293,399.86/404,901.45 = 166,072.72/x
  3. Step 3: Cross multiply
    293,399.86x = 404,901.45 × 166,072.72
  4. Step 4: Simplify right side
    293,399.86x = 67,243,085,133.44
  5. Step 5: Solve for x
    x = 67,243,085,133.44/293,399.86
  6. Step 6: Final answer
    x = 229,185.81

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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.