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Finding the Fourth Proportional to 262,692.40, 394,153.10 and 92,036.54

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Solution

The fourth proportional to 262,692.40, 394,153.10 and 92,036.54 is: 138,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,692.40 : 394,153.10 = 92,036.54 : x
  2. Step 2: Convert to fraction form
    262,692.40/394,153.10 = 92,036.54/x
  3. Step 3: Cross multiply
    262,692.40x = 394,153.10 × 92,036.54
  4. Step 4: Simplify right side
    262,692.40x = 36,276,487,554.27
  5. Step 5: Solve for x
    x = 36,276,487,554.27/262,692.40
  6. Step 6: Final answer
    x = 138,094.93

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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.