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Finding the Fourth Proportional to 348,563.72, 522,796.14 and 111,875.80

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Solution

The fourth proportional to 348,563.72, 522,796.14 and 111,875.80 is: 167,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,563.72 : 522,796.14 = 111,875.80 : x
  2. Step 2: Convert to fraction form
    348,563.72/522,796.14 = 111,875.80/x
  3. Step 3: Cross multiply
    348,563.72x = 522,796.14 × 111,875.80
  4. Step 4: Simplify right side
    348,563.72x = 58,488,236,399.41
  5. Step 5: Solve for x
    x = 58,488,236,399.41/348,563.72
  6. Step 6: Final answer
    x = 167,797.83

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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.