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Finding the Fourth Proportional to 244.16, 366.32 and 99.92

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Solution

The fourth proportional to 244.16, 366.32 and 99.92 is: 149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.16 : 366.32 = 99.92 : x
  2. Step 2: Convert to fraction form
    244.16/366.32 = 99.92/x
  3. Step 3: Cross multiply
    244.16x = 366.32 × 99.92
  4. Step 4: Simplify right side
    244.16x = 36,602.69
  5. Step 5: Solve for x
    x = 36,602.69/244.16
  6. Step 6: Final answer
    x = 149.91

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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.