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Finding the Fourth Proportional to 94.44, 141.60 and 53.32

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Solution

The fourth proportional to 94.44, 141.60 and 53.32 is: 79.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.44 : 141.60 = 53.32 : x
  2. Step 2: Convert to fraction form
    94.44/141.60 = 53.32/x
  3. Step 3: Cross multiply
    94.44x = 141.60 × 53.32
  4. Step 4: Simplify right side
    94.44x = 7,550.11
  5. Step 5: Solve for x
    x = 7,550.11/94.44
  6. Step 6: Final answer
    x = 79.95

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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.