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Finding the Fourth Proportional to 192,259.98, 288,452.27 and 92,427.96

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Solution

The fourth proportional to 192,259.98, 288,452.27 and 92,427.96 is: 138,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,259.98 : 288,452.27 = 92,427.96 : x
  2. Step 2: Convert to fraction form
    192,259.98/288,452.27 = 92,427.96/x
  3. Step 3: Cross multiply
    192,259.98x = 288,452.27 × 92,427.96
  4. Step 4: Simplify right side
    192,259.98x = 26,661,054,411.33
  5. Step 5: Solve for x
    x = 26,661,054,411.33/192,259.98
  6. Step 6: Final answer
    x = 138,671.89

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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.