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Finding the Fourth Proportional to 244.46, 337.36 and 139.50

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Solution

The fourth proportional to 244.46, 337.36 and 139.50 is: 192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.46 : 337.36 = 139.50 : x
  2. Step 2: Convert to fraction form
    244.46/337.36 = 139.50/x
  3. Step 3: Cross multiply
    244.46x = 337.36 × 139.50
  4. Step 4: Simplify right side
    244.46x = 47,061.72
  5. Step 5: Solve for x
    x = 47,061.72/244.46
  6. Step 6: Final answer
    x = 192.51

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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.