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Finding the Fourth Proportional to 344,503.12, 516,273.54 and 166,963

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Solution

The fourth proportional to 344,503.12, 516,273.54 and 166,963 is: 250,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,503.12 : 516,273.54 = 166,963 : x
  2. Step 2: Convert to fraction form
    344,503.12/516,273.54 = 166,963/x
  3. Step 3: Cross multiply
    344,503.12x = 516,273.54 × 166,963
  4. Step 4: Simplify right side
    344,503.12x = 86,198,579,059.02
  5. Step 5: Solve for x
    x = 86,198,579,059.02/344,503.12
  6. Step 6: Final answer
    x = 250,211.32

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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.