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Finding the Fourth Proportional to 295.25, 443.00 and 89.84

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Solution

The fourth proportional to 295.25, 443.00 and 89.84 is: 134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.25 : 443.00 = 89.84 : x
  2. Step 2: Convert to fraction form
    295.25/443.00 = 89.84/x
  3. Step 3: Cross multiply
    295.25x = 443.00 × 89.84
  4. Step 4: Simplify right side
    295.25x = 39,800.45
  5. Step 5: Solve for x
    x = 39,800.45/295.25
  6. Step 6: Final answer
    x = 134.80

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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.