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Finding the Fourth Proportional to 176.89, 244.06 and 106.99

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Solution

The fourth proportional to 176.89, 244.06 and 106.99 is: 147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.89 : 244.06 = 106.99 : x
  2. Step 2: Convert to fraction form
    176.89/244.06 = 106.99/x
  3. Step 3: Cross multiply
    176.89x = 244.06 × 106.99
  4. Step 4: Simplify right side
    176.89x = 26,111.30
  5. Step 5: Solve for x
    x = 26,111.30/176.89
  6. Step 6: Final answer
    x = 147.61

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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.