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Finding the Fourth Proportional to 170.01, 255.18 and 93.00

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Solution

The fourth proportional to 170.01, 255.18 and 93.00 is: 139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.01 : 255.18 = 93.00 : x
  2. Step 2: Convert to fraction form
    170.01/255.18 = 93.00/x
  3. Step 3: Cross multiply
    170.01x = 255.18 × 93.00
  4. Step 4: Simplify right side
    170.01x = 23,732.73
  5. Step 5: Solve for x
    x = 23,732.73/170.01
  6. Step 6: Final answer
    x = 139.60

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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.