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Finding the Fourth Proportional to 144.35, 216.56 and 62.04

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Solution

The fourth proportional to 144.35, 216.56 and 62.04 is: 93.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.35 : 216.56 = 62.04 : x
  2. Step 2: Convert to fraction form
    144.35/216.56 = 62.04/x
  3. Step 3: Cross multiply
    144.35x = 216.56 × 62.04
  4. Step 4: Simplify right side
    144.35x = 13,435.13
  5. Step 5: Solve for x
    x = 13,435.13/144.35
  6. Step 6: Final answer
    x = 93.07

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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.