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Finding the Fourth Proportional to 295.24, 442.66 and 102.76

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Solution

The fourth proportional to 295.24, 442.66 and 102.76 is: 154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.24 : 442.66 = 102.76 : x
  2. Step 2: Convert to fraction form
    295.24/442.66 = 102.76/x
  3. Step 3: Cross multiply
    295.24x = 442.66 × 102.76
  4. Step 4: Simplify right side
    295.24x = 45,487.74
  5. Step 5: Solve for x
    x = 45,487.74/295.24
  6. Step 6: Final answer
    x = 154.07

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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.