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Finding the Fourth Proportional to 244.52, 366.70 and 90.46

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Solution

The fourth proportional to 244.52, 366.70 and 90.46 is: 135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.52 : 366.70 = 90.46 : x
  2. Step 2: Convert to fraction form
    244.52/366.70 = 90.46/x
  3. Step 3: Cross multiply
    244.52x = 366.70 × 90.46
  4. Step 4: Simplify right side
    244.52x = 33,171.68
  5. Step 5: Solve for x
    x = 33,171.68/244.52
  6. Step 6: Final answer
    x = 135.66

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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.