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Finding the Fourth Proportional to 192.06, 288.24 and 146.60

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Solution

The fourth proportional to 192.06, 288.24 and 146.60 is: 220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.06 : 288.24 = 146.60 : x
  2. Step 2: Convert to fraction form
    192.06/288.24 = 146.60/x
  3. Step 3: Cross multiply
    192.06x = 288.24 × 146.60
  4. Step 4: Simplify right side
    192.06x = 42,255.98
  5. Step 5: Solve for x
    x = 42,255.98/192.06
  6. Step 6: Final answer
    x = 220.01

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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.