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Finding the Fourth Proportional to 71,859.03, 99,166.49 and 41,237.12

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Solution

The fourth proportional to 71,859.03, 99,166.49 and 41,237.12 is: 56,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,859.03 : 99,166.49 = 41,237.12 : x
  2. Step 2: Convert to fraction form
    71,859.03/99,166.49 = 41,237.12/x
  3. Step 3: Cross multiply
    71,859.03x = 99,166.49 × 41,237.12
  4. Step 4: Simplify right side
    71,859.03x = 4,089,340,055.37
  5. Step 5: Solve for x
    x = 4,089,340,055.37/71,859.03
  6. Step 6: Final answer
    x = 56,907.81

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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.