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Finding the Fourth Proportional to 239,361.36, 359,029.08 and 73,149.36

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Solution

The fourth proportional to 239,361.36, 359,029.08 and 73,149.36 is: 109,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,361.36 : 359,029.08 = 73,149.36 : x
  2. Step 2: Convert to fraction form
    239,361.36/359,029.08 = 73,149.36/x
  3. Step 3: Cross multiply
    239,361.36x = 359,029.08 × 73,149.36
  4. Step 4: Simplify right side
    239,361.36x = 26,262,747,423.39
  5. Step 5: Solve for x
    x = 26,262,747,423.39/239,361.36
  6. Step 6: Final answer
    x = 109,720.08

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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.