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Finding the Fourth Proportional to 192.98, 265.63 and 186.00

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Solution

The fourth proportional to 192.98, 265.63 and 186.00 is: 256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.98 : 265.63 = 186.00 : x
  2. Step 2: Convert to fraction form
    192.98/265.63 = 186.00/x
  3. Step 3: Cross multiply
    192.98x = 265.63 × 186.00
  4. Step 4: Simplify right side
    192.98x = 49,406.07
  5. Step 5: Solve for x
    x = 49,406.07/192.98
  6. Step 6: Final answer
    x = 256.01

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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.