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Finding the Fourth Proportional to 240.02, 359.73 and 111.50

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Solution

The fourth proportional to 240.02, 359.73 and 111.50 is: 167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.02 : 359.73 = 111.50 : x
  2. Step 2: Convert to fraction form
    240.02/359.73 = 111.50/x
  3. Step 3: Cross multiply
    240.02x = 359.73 × 111.50
  4. Step 4: Simplify right side
    240.02x = 40,109.90
  5. Step 5: Solve for x
    x = 40,109.90/240.02
  6. Step 6: Final answer
    x = 167.11

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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.