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Finding the Fourth Proportional to 244.51, 366.61 and 141.79

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Solution

The fourth proportional to 244.51, 366.61 and 141.79 is: 212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.51 : 366.61 = 141.79 : x
  2. Step 2: Convert to fraction form
    244.51/366.61 = 141.79/x
  3. Step 3: Cross multiply
    244.51x = 366.61 × 141.79
  4. Step 4: Simplify right side
    244.51x = 51,981.63
  5. Step 5: Solve for x
    x = 51,981.63/244.51
  6. Step 6: Final answer
    x = 212.60

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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.