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Finding the Fourth Proportional to 244.41, 337.40 and 139.51

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Solution

The fourth proportional to 244.41, 337.40 and 139.51 is: 192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.41 : 337.40 = 139.51 : x
  2. Step 2: Convert to fraction form
    244.41/337.40 = 139.51/x
  3. Step 3: Cross multiply
    244.41x = 337.40 × 139.51
  4. Step 4: Simplify right side
    244.41x = 47,070.67
  5. Step 5: Solve for x
    x = 47,070.67/244.41
  6. Step 6: Final answer
    x = 192.59

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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.