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Finding the Fourth Proportional to 61,795.31, 92,692.91 and 53,450.52

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Solution

The fourth proportional to 61,795.31, 92,692.91 and 53,450.52 is: 80,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,795.31 : 92,692.91 = 53,450.52 : x
  2. Step 2: Convert to fraction form
    61,795.31/92,692.91 = 53,450.52/x
  3. Step 3: Cross multiply
    61,795.31x = 92,692.91 × 53,450.52
  4. Step 4: Simplify right side
    61,795.31x = 4,954,484,173.00
  5. Step 5: Solve for x
    x = 4,954,484,173.00/61,795.31
  6. Step 6: Final answer
    x = 80,175.73

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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.