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Finding the Fourth Proportional to 71,059.36, 98,051.42 and 40,845.96

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Solution

The fourth proportional to 71,059.36, 98,051.42 and 40,845.96 is: 56,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059.36 : 98,051.42 = 40,845.96 : x
  2. Step 2: Convert to fraction form
    71,059.36/98,051.42 = 40,845.96/x
  3. Step 3: Cross multiply
    71,059.36x = 98,051.42 × 40,845.96
  4. Step 4: Simplify right side
    71,059.36x = 4,005,004,379.26
  5. Step 5: Solve for x
    x = 4,005,004,379.26/71,059.36
  6. Step 6: Final answer
    x = 56,361.39

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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.