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Finding the Fourth Proportional to 188.24, 259.76 and 110.60

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Solution

The fourth proportional to 188.24, 259.76 and 110.60 is: 152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.24 : 259.76 = 110.60 : x
  2. Step 2: Convert to fraction form
    188.24/259.76 = 110.60/x
  3. Step 3: Cross multiply
    188.24x = 259.76 × 110.60
  4. Step 4: Simplify right side
    188.24x = 28,729.46
  5. Step 5: Solve for x
    x = 28,729.46/188.24
  6. Step 6: Final answer
    x = 152.62

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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.