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Finding the Fourth Proportional to 94.41, 141.57 and 64.02

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Solution

The fourth proportional to 94.41, 141.57 and 64.02 is: 96.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.41 : 141.57 = 64.02 : x
  2. Step 2: Convert to fraction form
    94.41/141.57 = 64.02/x
  3. Step 3: Cross multiply
    94.41x = 141.57 × 64.02
  4. Step 4: Simplify right side
    94.41x = 9,063.31
  5. Step 5: Solve for x
    x = 9,063.31/94.41
  6. Step 6: Final answer
    x = 96.00

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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.