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Finding the Fourth Proportional to 94.45, 141.53 and 64.01

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Solution

The fourth proportional to 94.45, 141.53 and 64.01 is: 95.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.45 : 141.53 = 64.01 : x
  2. Step 2: Convert to fraction form
    94.45/141.53 = 64.01/x
  3. Step 3: Cross multiply
    94.45x = 141.53 × 64.01
  4. Step 4: Simplify right side
    94.45x = 9,059.34
  5. Step 5: Solve for x
    x = 9,059.34/94.45
  6. Step 6: Final answer
    x = 95.92

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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.