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Finding the Fourth Proportional to 222.03, 332.70 and 148.83

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Solution

The fourth proportional to 222.03, 332.70 and 148.83 is: 223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.03 : 332.70 = 148.83 : x
  2. Step 2: Convert to fraction form
    222.03/332.70 = 148.83/x
  3. Step 3: Cross multiply
    222.03x = 332.70 × 148.83
  4. Step 4: Simplify right side
    222.03x = 49,515.74
  5. Step 5: Solve for x
    x = 49,515.74/222.03
  6. Step 6: Final answer
    x = 223.01

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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.