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Finding the Fourth Proportional to 244.02, 336.71 and 140.50

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Solution

The fourth proportional to 244.02, 336.71 and 140.50 is: 193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.02 : 336.71 = 140.50 : x
  2. Step 2: Convert to fraction form
    244.02/336.71 = 140.50/x
  3. Step 3: Cross multiply
    244.02x = 336.71 × 140.50
  4. Step 4: Simplify right side
    244.02x = 47,307.76
  5. Step 5: Solve for x
    x = 47,307.76/244.02
  6. Step 6: Final answer
    x = 193.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.