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Finding the Fourth Proportional to 144.07, 216.06 and 92.53

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Solution

The fourth proportional to 144.07, 216.06 and 92.53 is: 138.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.07 : 216.06 = 92.53 : x
  2. Step 2: Convert to fraction form
    144.07/216.06 = 92.53/x
  3. Step 3: Cross multiply
    144.07x = 216.06 × 92.53
  4. Step 4: Simplify right side
    144.07x = 19,992.03
  5. Step 5: Solve for x
    x = 19,992.03/144.07
  6. Step 6: Final answer
    x = 138.77

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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.