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Finding the Fourth Proportional to 295.63, 407.96 and 164.66

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Solution

The fourth proportional to 295.63, 407.96 and 164.66 is: 227.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.63 : 407.96 = 164.66 : x
  2. Step 2: Convert to fraction form
    295.63/407.96 = 164.66/x
  3. Step 3: Cross multiply
    295.63x = 407.96 × 164.66
  4. Step 4: Simplify right side
    295.63x = 67,174.69
  5. Step 5: Solve for x
    x = 67,174.69/295.63
  6. Step 6: Final answer
    x = 227.23

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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.