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Finding the Fourth Proportional to 173.93, 260.91 and 148.43

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Solution

The fourth proportional to 173.93, 260.91 and 148.43 is: 222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.93 : 260.91 = 148.43 : x
  2. Step 2: Convert to fraction form
    173.93/260.91 = 148.43/x
  3. Step 3: Cross multiply
    173.93x = 260.91 × 148.43
  4. Step 4: Simplify right side
    173.93x = 38,726.13
  5. Step 5: Solve for x
    x = 38,726.13/173.93
  6. Step 6: Final answer
    x = 222.65

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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.