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Finding the Fourth Proportional to 348,361.36, 522,542.84 and 95,645.31

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Solution

The fourth proportional to 348,361.36, 522,542.84 and 95,645.31 is: 143,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,361.36 : 522,542.84 = 95,645.31 : x
  2. Step 2: Convert to fraction form
    348,361.36/522,542.84 = 95,645.31/x
  3. Step 3: Cross multiply
    348,361.36x = 522,542.84 × 95,645.31
  4. Step 4: Simplify right side
    348,361.36x = 49,978,771,441.85
  5. Step 5: Solve for x
    x = 49,978,771,441.85/348,361.36
  6. Step 6: Final answer
    x = 143,468.19

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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.