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Finding the Fourth Proportional to 295.58, 443.10 and 133.36

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Solution

The fourth proportional to 295.58, 443.10 and 133.36 is: 199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.58 : 443.10 = 133.36 : x
  2. Step 2: Convert to fraction form
    295.58/443.10 = 133.36/x
  3. Step 3: Cross multiply
    295.58x = 443.10 × 133.36
  4. Step 4: Simplify right side
    295.58x = 59,091.82
  5. Step 5: Solve for x
    x = 59,091.82/295.58
  6. Step 6: Final answer
    x = 199.92

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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.