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Finding the Fourth Proportional to 116.32, 174.47 and 35.16

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Solution

The fourth proportional to 116.32, 174.47 and 35.16 is: 52.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.32 : 174.47 = 35.16 : x
  2. Step 2: Convert to fraction form
    116.32/174.47 = 35.16/x
  3. Step 3: Cross multiply
    116.32x = 174.47 × 35.16
  4. Step 4: Simplify right side
    116.32x = 6,134.37
  5. Step 5: Solve for x
    x = 6,134.37/116.32
  6. Step 6: Final answer
    x = 52.74

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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.