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Finding the Fourth Proportional to 116.42, 174.70 and 44.34

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Solution

The fourth proportional to 116.42, 174.70 and 44.34 is: 66.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.42 : 174.70 = 44.34 : x
  2. Step 2: Convert to fraction form
    116.42/174.70 = 44.34/x
  3. Step 3: Cross multiply
    116.42x = 174.70 × 44.34
  4. Step 4: Simplify right side
    116.42x = 7,746.20
  5. Step 5: Solve for x
    x = 7,746.20/116.42
  6. Step 6: Final answer
    x = 66.54

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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.