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Finding the Fourth Proportional to 94.14, 141.23 and 64

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Solution

The fourth proportional to 94.14, 141.23 and 64 is: 96.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.14 : 141.23 = 64 : x
  2. Step 2: Convert to fraction form
    94.14/141.23 = 64/x
  3. Step 3: Cross multiply
    94.14x = 141.23 × 64
  4. Step 4: Simplify right side
    94.14x = 9,038.72
  5. Step 5: Solve for x
    x = 9,038.72/94.14
  6. Step 6: Final answer
    x = 96.01

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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.