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Finding the Fourth Proportional to 93.36, 140.02 and 62.94

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Solution

The fourth proportional to 93.36, 140.02 and 62.94 is: 94.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.36 : 140.02 = 62.94 : x
  2. Step 2: Convert to fraction form
    93.36/140.02 = 62.94/x
  3. Step 3: Cross multiply
    93.36x = 140.02 × 62.94
  4. Step 4: Simplify right side
    93.36x = 8,812.86
  5. Step 5: Solve for x
    x = 8,812.86/93.36
  6. Step 6: Final answer
    x = 94.40

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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.