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Finding the Fourth Proportional to 344,002.80, 516,004.20 and 166,855.80

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Solution

The fourth proportional to 344,002.80, 516,004.20 and 166,855.80 is: 250,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,002.80 : 516,004.20 = 166,855.80 : x
  2. Step 2: Convert to fraction form
    344,002.80/516,004.20 = 166,855.80/x
  3. Step 3: Cross multiply
    344,002.80x = 516,004.20 × 166,855.80
  4. Step 4: Simplify right side
    344,002.80x = 86,098,293,594.36
  5. Step 5: Solve for x
    x = 86,098,293,594.36/344,002.80
  6. Step 6: Final answer
    x = 250,283.70

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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.