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Finding the Fourth Proportional to 188.84, 260.52 and 110.11

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Solution

The fourth proportional to 188.84, 260.52 and 110.11 is: 151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.84 : 260.52 = 110.11 : x
  2. Step 2: Convert to fraction form
    188.84/260.52 = 110.11/x
  3. Step 3: Cross multiply
    188.84x = 260.52 × 110.11
  4. Step 4: Simplify right side
    188.84x = 28,686.69
  5. Step 5: Solve for x
    x = 28,686.69/188.84
  6. Step 6: Final answer
    x = 151.91

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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.