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Finding the Fourth Proportional to 222.47, 333.69 and 60.14

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Solution

The fourth proportional to 222.47, 333.69 and 60.14 is: 90.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.47 : 333.69 = 60.14 : x
  2. Step 2: Convert to fraction form
    222.47/333.69 = 60.14/x
  3. Step 3: Cross multiply
    222.47x = 333.69 × 60.14
  4. Step 4: Simplify right side
    222.47x = 20,068.95
  5. Step 5: Solve for x
    x = 20,068.95/222.47
  6. Step 6: Final answer
    x = 90.21

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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.