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Finding the Fourth Proportional to 173.72, 260.36 and 152.00

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Solution

The fourth proportional to 173.72, 260.36 and 152.00 is: 227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.72 : 260.36 = 152.00 : x
  2. Step 2: Convert to fraction form
    173.72/260.36 = 152.00/x
  3. Step 3: Cross multiply
    173.72x = 260.36 × 152.00
  4. Step 4: Simplify right side
    173.72x = 39,574.20
  5. Step 5: Solve for x
    x = 39,574.20/173.72
  6. Step 6: Final answer
    x = 227.81

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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.