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Finding the Fourth Proportional to 93.49, 140.14 and 59.29

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Solution

The fourth proportional to 93.49, 140.14 and 59.29 is: 88.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.49 : 140.14 = 59.29 : x
  2. Step 2: Convert to fraction form
    93.49/140.14 = 59.29/x
  3. Step 3: Cross multiply
    93.49x = 140.14 × 59.29
  4. Step 4: Simplify right side
    93.49x = 8,308.90
  5. Step 5: Solve for x
    x = 8,308.90/93.49
  6. Step 6: Final answer
    x = 88.87

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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.