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Finding the Fourth Proportional to 288.92, 433.33 and 106.29

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Solution

The fourth proportional to 288.92, 433.33 and 106.29 is: 159.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288.92 : 433.33 = 106.29 : x
  2. Step 2: Convert to fraction form
    288.92/433.33 = 106.29/x
  3. Step 3: Cross multiply
    288.92x = 433.33 × 106.29
  4. Step 4: Simplify right side
    288.92x = 46,058.65
  5. Step 5: Solve for x
    x = 46,058.65/288.92
  6. Step 6: Final answer
    x = 159.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.