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Finding the Fourth Proportional to 188.15, 282.44 and 150.10

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Solution

The fourth proportional to 188.15, 282.44 and 150.10 is: 225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.15 : 282.44 = 150.10 : x
  2. Step 2: Convert to fraction form
    188.15/282.44 = 150.10/x
  3. Step 3: Cross multiply
    188.15x = 282.44 × 150.10
  4. Step 4: Simplify right side
    188.15x = 42,393.91
  5. Step 5: Solve for x
    x = 42,393.91/188.15
  6. Step 6: Final answer
    x = 225.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.