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Finding the Fourth Proportional to 223.34, 334.96 and 60.98

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Solution

The fourth proportional to 223.34, 334.96 and 60.98 is: 91.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.34 : 334.96 = 60.98 : x
  2. Step 2: Convert to fraction form
    223.34/334.96 = 60.98/x
  3. Step 3: Cross multiply
    223.34x = 334.96 × 60.98
  4. Step 4: Simplify right side
    223.34x = 20,424.19
  5. Step 5: Solve for x
    x = 20,424.19/223.34
  6. Step 6: Final answer
    x = 91.45

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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.