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Finding the Fourth Proportional to 93.42, 140.13 and 44.66

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Solution

The fourth proportional to 93.42, 140.13 and 44.66 is: 66.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.42 : 140.13 = 44.66 : x
  2. Step 2: Convert to fraction form
    93.42/140.13 = 44.66/x
  3. Step 3: Cross multiply
    93.42x = 140.13 × 44.66
  4. Step 4: Simplify right side
    93.42x = 6,258.21
  5. Step 5: Solve for x
    x = 6,258.21/93.42
  6. Step 6: Final answer
    x = 66.99

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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.