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Finding the Fourth Proportional to 176.97, 244.22 and 99.35

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Solution

The fourth proportional to 176.97, 244.22 and 99.35 is: 137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.97 : 244.22 = 99.35 : x
  2. Step 2: Convert to fraction form
    176.97/244.22 = 99.35/x
  3. Step 3: Cross multiply
    176.97x = 244.22 × 99.35
  4. Step 4: Simplify right side
    176.97x = 24,263.26
  5. Step 5: Solve for x
    x = 24,263.26/176.97
  6. Step 6: Final answer
    x = 137.10

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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.