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Finding the Fourth Proportional to 247, 370.59 and 160.33

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Solution

The fourth proportional to 247, 370.59 and 160.33 is: 240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247 : 370.59 = 160.33 : x
  2. Step 2: Convert to fraction form
    247/370.59 = 160.33/x
  3. Step 3: Cross multiply
    247x = 370.59 × 160.33
  4. Step 4: Simplify right side
    247x = 59,416.69
  5. Step 5: Solve for x
    x = 59,416.69/247
  6. Step 6: Final answer
    x = 240.55

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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.