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Finding the Fourth Proportional to 223.83, 335.48 and 146.93

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Solution

The fourth proportional to 223.83, 335.48 and 146.93 is: 220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.83 : 335.48 = 146.93 : x
  2. Step 2: Convert to fraction form
    223.83/335.48 = 146.93/x
  3. Step 3: Cross multiply
    223.83x = 335.48 × 146.93
  4. Step 4: Simplify right side
    223.83x = 49,289.66
  5. Step 5: Solve for x
    x = 49,289.66/223.83
  6. Step 6: Final answer
    x = 220.21

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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.