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Finding the Fourth Proportional to 295,908.03, 408,344.88 and 166,845.36

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Solution

The fourth proportional to 295,908.03, 408,344.88 and 166,845.36 is: 230,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,908.03 : 408,344.88 = 166,845.36 : x
  2. Step 2: Convert to fraction form
    295,908.03/408,344.88 = 166,845.36/x
  3. Step 3: Cross multiply
    295,908.03x = 408,344.88 × 166,845.36
  4. Step 4: Simplify right side
    295,908.03x = 68,130,448,507.76
  5. Step 5: Solve for x
    x = 68,130,448,507.76/295,908.03
  6. Step 6: Final answer
    x = 230,241.97

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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.