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Finding the Fourth Proportional to 177.51, 244.96 and 98.83

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Solution

The fourth proportional to 177.51, 244.96 and 98.83 is: 136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.51 : 244.96 = 98.83 : x
  2. Step 2: Convert to fraction form
    177.51/244.96 = 98.83/x
  3. Step 3: Cross multiply
    177.51x = 244.96 × 98.83
  4. Step 4: Simplify right side
    177.51x = 24,208.61
  5. Step 5: Solve for x
    x = 24,208.61/177.51
  6. Step 6: Final answer
    x = 136.38

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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.