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Finding the Fourth Proportional to 192.46, 265.65 and 131.98

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Solution

The fourth proportional to 192.46, 265.65 and 131.98 is: 182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.46 : 265.65 = 131.98 : x
  2. Step 2: Convert to fraction form
    192.46/265.65 = 131.98/x
  3. Step 3: Cross multiply
    192.46x = 265.65 × 131.98
  4. Step 4: Simplify right side
    192.46x = 35,060.10
  5. Step 5: Solve for x
    x = 35,060.10/192.46
  6. Step 6: Final answer
    x = 182.16

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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.