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Finding the Fourth Proportional to 188.92, 260.76 and 150.16

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Solution

The fourth proportional to 188.92, 260.76 and 150.16 is: 207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.92 : 260.76 = 150.16 : x
  2. Step 2: Convert to fraction form
    188.92/260.76 = 150.16/x
  3. Step 3: Cross multiply
    188.92x = 260.76 × 150.16
  4. Step 4: Simplify right side
    188.92x = 39,155.72
  5. Step 5: Solve for x
    x = 39,155.72/188.92
  6. Step 6: Final answer
    x = 207.26

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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.