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Finding the Fourth Proportional to 296.12, 444.24 and 103.76

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Solution

The fourth proportional to 296.12, 444.24 and 103.76 is: 155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.12 : 444.24 = 103.76 : x
  2. Step 2: Convert to fraction form
    296.12/444.24 = 103.76/x
  3. Step 3: Cross multiply
    296.12x = 444.24 × 103.76
  4. Step 4: Simplify right side
    296.12x = 46,094.34
  5. Step 5: Solve for x
    x = 46,094.34/296.12
  6. Step 6: Final answer
    x = 155.66

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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.