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Finding the Fourth Proportional to 192.53, 288.16 and 174.07

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Solution

The fourth proportional to 192.53, 288.16 and 174.07 is: 260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.53 : 288.16 = 174.07 : x
  2. Step 2: Convert to fraction form
    192.53/288.16 = 174.07/x
  3. Step 3: Cross multiply
    192.53x = 288.16 × 174.07
  4. Step 4: Simplify right side
    192.53x = 50,158.32
  5. Step 5: Solve for x
    x = 50,158.32/192.53
  6. Step 6: Final answer
    x = 260.53

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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.