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Finding the Fourth Proportional to 294.54, 441.96 and 102.18

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Solution

The fourth proportional to 294.54, 441.96 and 102.18 is: 153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.54 : 441.96 = 102.18 : x
  2. Step 2: Convert to fraction form
    294.54/441.96 = 102.18/x
  3. Step 3: Cross multiply
    294.54x = 441.96 × 102.18
  4. Step 4: Simplify right side
    294.54x = 45,159.47
  5. Step 5: Solve for x
    x = 45,159.47/294.54
  6. Step 6: Final answer
    x = 153.32

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Why These Related Problems?

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