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Finding the Fourth Proportional to 295.25, 442.98 and 141.24

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Solution

The fourth proportional to 295.25, 442.98 and 141.24 is: 211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.25 : 442.98 = 141.24 : x
  2. Step 2: Convert to fraction form
    295.25/442.98 = 141.24/x
  3. Step 3: Cross multiply
    295.25x = 442.98 × 141.24
  4. Step 4: Simplify right side
    295.25x = 62,566.50
  5. Step 5: Solve for x
    x = 62,566.50/295.25
  6. Step 6: Final answer
    x = 211.91

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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.