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Finding the Fourth Proportional to 144.07, 216.08 and 41.33

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Solution

The fourth proportional to 144.07, 216.08 and 41.33 is: 61.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.07 : 216.08 = 41.33 : x
  2. Step 2: Convert to fraction form
    144.07/216.08 = 41.33/x
  3. Step 3: Cross multiply
    144.07x = 216.08 × 41.33
  4. Step 4: Simplify right side
    144.07x = 8,931.16
  5. Step 5: Solve for x
    x = 8,931.16/144.07
  6. Step 6: Final answer
    x = 61.99

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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.