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Finding the Fourth Proportional to 244.60, 366.92 and 129

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Solution

The fourth proportional to 244.60, 366.92 and 129 is: 193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.60 : 366.92 = 129 : x
  2. Step 2: Convert to fraction form
    244.60/366.92 = 129/x
  3. Step 3: Cross multiply
    244.60x = 366.92 × 129
  4. Step 4: Simplify right side
    244.60x = 47,332.68
  5. Step 5: Solve for x
    x = 47,332.68/244.60
  6. Step 6: Final answer
    x = 193.51

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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.