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Finding the Fourth Proportional to 268.26, 370 and 168.60

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Solution

The fourth proportional to 268.26, 370 and 168.60 is: 232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.26 : 370 = 168.60 : x
  2. Step 2: Convert to fraction form
    268.26/370 = 168.60/x
  3. Step 3: Cross multiply
    268.26x = 370 × 168.60
  4. Step 4: Simplify right side
    268.26x = 62,382
  5. Step 5: Solve for x
    x = 62,382/268.26
  6. Step 6: Final answer
    x = 232.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.