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Finding the Fourth Proportional to 225.18, 337.50 and 174.02

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Solution

The fourth proportional to 225.18, 337.50 and 174.02 is: 260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.18 : 337.50 = 174.02 : x
  2. Step 2: Convert to fraction form
    225.18/337.50 = 174.02/x
  3. Step 3: Cross multiply
    225.18x = 337.50 × 174.02
  4. Step 4: Simplify right side
    225.18x = 58,730.06
  5. Step 5: Solve for x
    x = 58,730.06/225.18
  6. Step 6: Final answer
    x = 260.81

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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.