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Finding the Fourth Proportional to 344,057.52, 516,086.29 and 107,420.48

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Solution

The fourth proportional to 344,057.52, 516,086.29 and 107,420.48 is: 161,130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,057.52 : 516,086.29 = 107,420.48 : x
  2. Step 2: Convert to fraction form
    344,057.52/516,086.29 = 107,420.48/x
  3. Step 3: Cross multiply
    344,057.52x = 516,086.29 × 107,420.48
  4. Step 4: Simplify right side
    344,057.52x = 55,438,235,878.15
  5. Step 5: Solve for x
    x = 55,438,235,878.15/344,057.52
  6. Step 6: Final answer
    x = 161,130.72

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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.