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Finding the Fourth Proportional to 111,055, 166,599.81 and 36,157.45

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Solution

The fourth proportional to 111,055, 166,599.81 and 36,157.45 is: 54,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,055 : 166,599.81 = 36,157.45 : x
  2. Step 2: Convert to fraction form
    111,055/166,599.81 = 36,157.45/x
  3. Step 3: Cross multiply
    111,055x = 166,599.81 × 36,157.45
  4. Step 4: Simplify right side
    111,055x = 6,023,824,300.08
  5. Step 5: Solve for x
    x = 6,023,824,300.08/111,055
  6. Step 6: Final answer
    x = 54,241.81

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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.