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Finding the Fourth Proportional to 344,485.72, 516,738.30 and 95,167.72

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Solution

The fourth proportional to 344,485.72, 516,738.30 and 95,167.72 is: 142,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,485.72 : 516,738.30 = 95,167.72 : x
  2. Step 2: Convert to fraction form
    344,485.72/516,738.30 = 95,167.72/x
  3. Step 3: Cross multiply
    344,485.72x = 516,738.30 × 95,167.72
  4. Step 4: Simplify right side
    344,485.72x = 49,176,805,847.68
  5. Step 5: Solve for x
    x = 49,176,805,847.68/344,485.72
  6. Step 6: Final answer
    x = 142,754.27

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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.