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Finding the Fourth Proportional to 94.02, 141.04 and 48.36

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Solution

The fourth proportional to 94.02, 141.04 and 48.36 is: 72.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.02 : 141.04 = 48.36 : x
  2. Step 2: Convert to fraction form
    94.02/141.04 = 48.36/x
  3. Step 3: Cross multiply
    94.02x = 141.04 × 48.36
  4. Step 4: Simplify right side
    94.02x = 6,820.75
  5. Step 5: Solve for x
    x = 6,820.75/94.02
  6. Step 6: Final answer
    x = 72.54

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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.