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Finding the Fourth Proportional to 173.78, 260.76 and 160.01

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Solution

The fourth proportional to 173.78, 260.76 and 160.01 is: 240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.78 : 260.76 = 160.01 : x
  2. Step 2: Convert to fraction form
    173.78/260.76 = 160.01/x
  3. Step 3: Cross multiply
    173.78x = 260.76 × 160.01
  4. Step 4: Simplify right side
    173.78x = 41,724.21
  5. Step 5: Solve for x
    x = 41,724.21/173.78
  6. Step 6: Final answer
    x = 240.10

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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.