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Finding the Fourth Proportional to 192,635, 265,836.30 and 125,567

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Solution

The fourth proportional to 192,635, 265,836.30 and 125,567 is: 173,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,635 : 265,836.30 = 125,567 : x
  2. Step 2: Convert to fraction form
    192,635/265,836.30 = 125,567/x
  3. Step 3: Cross multiply
    192,635x = 265,836.30 × 125,567
  4. Step 4: Simplify right side
    192,635x = 33,380,266,682.10
  5. Step 5: Solve for x
    x = 33,380,266,682.10/192,635
  6. Step 6: Final answer
    x = 173,282.46

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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.