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Finding the Fourth Proportional to 61,817.76, 92,745.13 and 43,840.62

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Solution

The fourth proportional to 61,817.76, 92,745.13 and 43,840.62 is: 65,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,817.76 : 92,745.13 = 43,840.62 : x
  2. Step 2: Convert to fraction form
    61,817.76/92,745.13 = 43,840.62/x
  3. Step 3: Cross multiply
    61,817.76x = 92,745.13 × 43,840.62
  4. Step 4: Simplify right side
    61,817.76x = 4,066,003,589.63
  5. Step 5: Solve for x
    x = 4,066,003,589.63/61,817.76
  6. Step 6: Final answer
    x = 65,774.04

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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.