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Finding the Fourth Proportional to 120,597.62, 180,923.99 and 41,711.77

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Solution

The fourth proportional to 120,597.62, 180,923.99 and 41,711.77 is: 62,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,597.62 : 180,923.99 = 41,711.77 : x
  2. Step 2: Convert to fraction form
    120,597.62/180,923.99 = 41,711.77/x
  3. Step 3: Cross multiply
    120,597.62x = 180,923.99 × 41,711.77
  4. Step 4: Simplify right side
    120,597.62x = 7,546,659,858.36
  5. Step 5: Solve for x
    x = 7,546,659,858.36/120,597.62
  6. Step 6: Final answer
    x = 62,577.19

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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.