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Finding the Fourth Proportional to 292.97, 404.30 and 160.19

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Solution

The fourth proportional to 292.97, 404.30 and 160.19 is: 221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.97 : 404.30 = 160.19 : x
  2. Step 2: Convert to fraction form
    292.97/404.30 = 160.19/x
  3. Step 3: Cross multiply
    292.97x = 404.30 × 160.19
  4. Step 4: Simplify right side
    292.97x = 64,763.81
  5. Step 5: Solve for x
    x = 64,763.81/292.97
  6. Step 6: Final answer
    x = 221.06

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