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Finding the Fourth Proportional to 298,093.08, 411,366.42 and 169,055.88

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Solution

The fourth proportional to 298,093.08, 411,366.42 and 169,055.88 is: 233,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,093.08 : 411,366.42 = 169,055.88 : x
  2. Step 2: Convert to fraction form
    298,093.08/411,366.42 = 169,055.88/x
  3. Step 3: Cross multiply
    298,093.08x = 411,366.42 × 169,055.88
  4. Step 4: Simplify right side
    298,093.08x = 69,543,912,135.55
  5. Step 5: Solve for x
    x = 69,543,912,135.55/298,093.08
  6. Step 6: Final answer
    x = 233,295.96

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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.