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Finding the Fourth Proportional to 295.16, 442.64 and 132.98

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Solution

The fourth proportional to 295.16, 442.64 and 132.98 is: 199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.16 : 442.64 = 132.98 : x
  2. Step 2: Convert to fraction form
    295.16/442.64 = 132.98/x
  3. Step 3: Cross multiply
    295.16x = 442.64 × 132.98
  4. Step 4: Simplify right side
    295.16x = 58,862.27
  5. Step 5: Solve for x
    x = 58,862.27/295.16
  6. Step 6: Final answer
    x = 199.42

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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.