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Finding the Fourth Proportional to 174.80, 260.53 and 165.07

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Solution

The fourth proportional to 174.80, 260.53 and 165.07 is: 246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.80 : 260.53 = 165.07 : x
  2. Step 2: Convert to fraction form
    174.80/260.53 = 165.07/x
  3. Step 3: Cross multiply
    174.80x = 260.53 × 165.07
  4. Step 4: Simplify right side
    174.80x = 43,005.69
  5. Step 5: Solve for x
    x = 43,005.69/174.80
  6. Step 6: Final answer
    x = 246.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.