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Finding the Fourth Proportional to 177.53, 244.93 and 107.58

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Solution

The fourth proportional to 177.53, 244.93 and 107.58 is: 148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.53 : 244.93 = 107.58 : x
  2. Step 2: Convert to fraction form
    177.53/244.93 = 107.58/x
  3. Step 3: Cross multiply
    177.53x = 244.93 × 107.58
  4. Step 4: Simplify right side
    177.53x = 26,349.57
  5. Step 5: Solve for x
    x = 26,349.57/177.53
  6. Step 6: Final answer
    x = 148.42

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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.