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Finding the Fourth Proportional to 234, 350.70 and 125.56

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Solution

The fourth proportional to 234, 350.70 and 125.56 is: 188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234 : 350.70 = 125.56 : x
  2. Step 2: Convert to fraction form
    234/350.70 = 125.56/x
  3. Step 3: Cross multiply
    234x = 350.70 × 125.56
  4. Step 4: Simplify right side
    234x = 44,033.89
  5. Step 5: Solve for x
    x = 44,033.89/234
  6. Step 6: Final answer
    x = 188.18

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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.