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Finding the Fourth Proportional to 349,757.55, 524,507.54 and 125,057.07

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Solution

The fourth proportional to 349,757.55, 524,507.54 and 125,057.07 is: 187,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,757.55 : 524,507.54 = 125,057.07 : x
  2. Step 2: Convert to fraction form
    349,757.55/524,507.54 = 125,057.07/x
  3. Step 3: Cross multiply
    349,757.55x = 524,507.54 × 125,057.07
  4. Step 4: Simplify right side
    349,757.55x = 65,593,375,520.02
  5. Step 5: Solve for x
    x = 65,593,375,520.02/349,757.55
  6. Step 6: Final answer
    x = 187,539.56

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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.