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Finding the Fourth Proportional to 69,361.11, 104,059.28 and 19,441.42

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Solution

The fourth proportional to 69,361.11, 104,059.28 and 19,441.42 is: 29,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,361.11 : 104,059.28 = 19,441.42 : x
  2. Step 2: Convert to fraction form
    69,361.11/104,059.28 = 19,441.42/x
  3. Step 3: Cross multiply
    69,361.11x = 104,059.28 × 19,441.42
  4. Step 4: Simplify right side
    69,361.11x = 2,023,059,955.83
  5. Step 5: Solve for x
    x = 2,023,059,955.83/69,361.11
  6. Step 6: Final answer
    x = 29,167.06

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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.