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Finding the Fourth Proportional to 295.29, 442.98 and 133.02

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Solution

The fourth proportional to 295.29, 442.98 and 133.02 is: 199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.29 : 442.98 = 133.02 : x
  2. Step 2: Convert to fraction form
    295.29/442.98 = 133.02/x
  3. Step 3: Cross multiply
    295.29x = 442.98 × 133.02
  4. Step 4: Simplify right side
    295.29x = 58,925.20
  5. Step 5: Solve for x
    x = 58,925.20/295.29
  6. Step 6: Final answer
    x = 199.55

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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.