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Finding the Fourth Proportional to 115,361.42, 173,041.11 and 36,475.70

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Solution

The fourth proportional to 115,361.42, 173,041.11 and 36,475.70 is: 54,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,361.42 : 173,041.11 = 36,475.70 : x
  2. Step 2: Convert to fraction form
    115,361.42/173,041.11 = 36,475.70/x
  3. Step 3: Cross multiply
    115,361.42x = 173,041.11 × 36,475.70
  4. Step 4: Simplify right side
    115,361.42x = 6,311,795,616.03
  5. Step 5: Solve for x
    x = 6,311,795,616.03/115,361.42
  6. Step 6: Final answer
    x = 54,713.23

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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.