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Finding the Fourth Proportional to 177.01, 244.31 and 111.51

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Solution

The fourth proportional to 177.01, 244.31 and 111.51 is: 153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.01 : 244.31 = 111.51 : x
  2. Step 2: Convert to fraction form
    177.01/244.31 = 111.51/x
  3. Step 3: Cross multiply
    177.01x = 244.31 × 111.51
  4. Step 4: Simplify right side
    177.01x = 27,242.45
  5. Step 5: Solve for x
    x = 27,242.45/177.01
  6. Step 6: Final answer
    x = 153.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.