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Finding the Fourth Proportional to 295.67, 443.05 and 158.74

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Solution

The fourth proportional to 295.67, 443.05 and 158.74 is: 237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.67 : 443.05 = 158.74 : x
  2. Step 2: Convert to fraction form
    295.67/443.05 = 158.74/x
  3. Step 3: Cross multiply
    295.67x = 443.05 × 158.74
  4. Step 4: Simplify right side
    295.67x = 70,329.76
  5. Step 5: Solve for x
    x = 70,329.76/295.67
  6. Step 6: Final answer
    x = 237.87

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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.