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Finding the Fourth Proportional to 270.70, 373.50 and 160.16

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Solution

The fourth proportional to 270.70, 373.50 and 160.16 is: 220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.70 : 373.50 = 160.16 : x
  2. Step 2: Convert to fraction form
    270.70/373.50 = 160.16/x
  3. Step 3: Cross multiply
    270.70x = 373.50 × 160.16
  4. Step 4: Simplify right side
    270.70x = 59,819.76
  5. Step 5: Solve for x
    x = 59,819.76/270.70
  6. Step 6: Final answer
    x = 220.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.