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Finding the Fourth Proportional to 188.93, 260.70 and 110.27

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Solution

The fourth proportional to 188.93, 260.70 and 110.27 is: 152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.93 : 260.70 = 110.27 : x
  2. Step 2: Convert to fraction form
    188.93/260.70 = 110.27/x
  3. Step 3: Cross multiply
    188.93x = 260.70 × 110.27
  4. Step 4: Simplify right side
    188.93x = 28,748.04
  5. Step 5: Solve for x
    x = 28,748.04/188.93
  6. Step 6: Final answer
    x = 152.16

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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.