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Finding the Fourth Proportional to 295.02, 442.08 and 132.66

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Solution

The fourth proportional to 295.02, 442.08 and 132.66 is: 198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.02 : 442.08 = 132.66 : x
  2. Step 2: Convert to fraction form
    295.02/442.08 = 132.66/x
  3. Step 3: Cross multiply
    295.02x = 442.08 × 132.66
  4. Step 4: Simplify right side
    295.02x = 58,646.33
  5. Step 5: Solve for x
    x = 58,646.33/295.02
  6. Step 6: Final answer
    x = 198.79

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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.