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Finding the Fourth Proportional to 73,361.36, 101,239.09 and 43,147.95

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Solution

The fourth proportional to 73,361.36, 101,239.09 and 43,147.95 is: 59,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,361.36 : 101,239.09 = 43,147.95 : x
  2. Step 2: Convert to fraction form
    73,361.36/101,239.09 = 43,147.95/x
  3. Step 3: Cross multiply
    73,361.36x = 101,239.09 × 43,147.95
  4. Step 4: Simplify right side
    73,361.36x = 4,368,259,193.37
  5. Step 5: Solve for x
    x = 4,368,259,193.37/73,361.36
  6. Step 6: Final answer
    x = 59,544.41

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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.