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Finding the Fourth Proportional to 94.01, 140.93 and 48.33

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Solution

The fourth proportional to 94.01, 140.93 and 48.33 is: 72.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.01 : 140.93 = 48.33 : x
  2. Step 2: Convert to fraction form
    94.01/140.93 = 48.33/x
  3. Step 3: Cross multiply
    94.01x = 140.93 × 48.33
  4. Step 4: Simplify right side
    94.01x = 6,810.91
  5. Step 5: Solve for x
    x = 6,810.91/94.01
  6. Step 6: Final answer
    x = 72.45

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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.