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Finding the Fourth Proportional to 295.30, 442.83 and 132.94

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Solution

The fourth proportional to 295.30, 442.83 and 132.94 is: 199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.30 : 442.83 = 132.94 : x
  2. Step 2: Convert to fraction form
    295.30/442.83 = 132.94/x
  3. Step 3: Cross multiply
    295.30x = 442.83 × 132.94
  4. Step 4: Simplify right side
    295.30x = 58,869.82
  5. Step 5: Solve for x
    x = 58,869.82/295.30
  6. Step 6: Final answer
    x = 199.36

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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.