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Finding the Fourth Proportional to 179.54, 247.84 and 114.06

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Solution

The fourth proportional to 179.54, 247.84 and 114.06 is: 157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.54 : 247.84 = 114.06 : x
  2. Step 2: Convert to fraction form
    179.54/247.84 = 114.06/x
  3. Step 3: Cross multiply
    179.54x = 247.84 × 114.06
  4. Step 4: Simplify right side
    179.54x = 28,268.63
  5. Step 5: Solve for x
    x = 28,268.63/179.54
  6. Step 6: Final answer
    x = 157.45

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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.