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Finding the Fourth Proportional to 237.07, 354.81 and 174.18

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Solution

The fourth proportional to 237.07, 354.81 and 174.18 is: 260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.07 : 354.81 = 174.18 : x
  2. Step 2: Convert to fraction form
    237.07/354.81 = 174.18/x
  3. Step 3: Cross multiply
    237.07x = 354.81 × 174.18
  4. Step 4: Simplify right side
    237.07x = 61,800.81
  5. Step 5: Solve for x
    x = 61,800.81/237.07
  6. Step 6: Final answer
    x = 260.69

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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.