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Finding the Fourth Proportional to 300,798.57, 415,102.04 and 166,662.57

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Solution

The fourth proportional to 300,798.57, 415,102.04 and 166,662.57 is: 229,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,798.57 : 415,102.04 = 166,662.57 : x
  2. Step 2: Convert to fraction form
    300,798.57/415,102.04 = 166,662.57/x
  3. Step 3: Cross multiply
    300,798.57x = 415,102.04 × 166,662.57
  4. Step 4: Simplify right side
    300,798.57x = 69,181,971,965.33
  5. Step 5: Solve for x
    x = 69,181,971,965.33/300,798.57
  6. Step 6: Final answer
    x = 229,994.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.