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Finding the Fourth Proportional to 93.24, 140.14 and 63

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Solution

The fourth proportional to 93.24, 140.14 and 63 is: 94.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.24 : 140.14 = 63 : x
  2. Step 2: Convert to fraction form
    93.24/140.14 = 63/x
  3. Step 3: Cross multiply
    93.24x = 140.14 × 63
  4. Step 4: Simplify right side
    93.24x = 8,828.66
  5. Step 5: Solve for x
    x = 8,828.66/93.24
  6. Step 6: Final answer
    x = 94.69

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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.