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Finding the Fourth Proportional to 188.83, 260.62 and 110.16

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Solution

The fourth proportional to 188.83, 260.62 and 110.16 is: 152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.83 : 260.62 = 110.16 : x
  2. Step 2: Convert to fraction form
    188.83/260.62 = 110.16/x
  3. Step 3: Cross multiply
    188.83x = 260.62 × 110.16
  4. Step 4: Simplify right side
    188.83x = 28,709.35
  5. Step 5: Solve for x
    x = 28,709.35/188.83
  6. Step 6: Final answer
    x = 152.04

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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.