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Finding the Fourth Proportional to 188.74, 260.35 and 110.04

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Solution

The fourth proportional to 188.74, 260.35 and 110.04 is: 151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.74 : 260.35 = 110.04 : x
  2. Step 2: Convert to fraction form
    188.74/260.35 = 110.04/x
  3. Step 3: Cross multiply
    188.74x = 260.35 × 110.04
  4. Step 4: Simplify right side
    188.74x = 28,648.91
  5. Step 5: Solve for x
    x = 28,648.91/188.74
  6. Step 6: Final answer
    x = 151.79

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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.