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Finding the Fourth Proportional to 174.13, 259.88 and 170.03

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Solution

The fourth proportional to 174.13, 259.88 and 170.03 is: 253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.13 : 259.88 = 170.03 : x
  2. Step 2: Convert to fraction form
    174.13/259.88 = 170.03/x
  3. Step 3: Cross multiply
    174.13x = 259.88 × 170.03
  4. Step 4: Simplify right side
    174.13x = 44,187.20
  5. Step 5: Solve for x
    x = 44,187.20/174.13
  6. Step 6: Final answer
    x = 253.76

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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.