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Finding the Fourth Proportional to 292,889.52, 404,183.16 and 165,560.64

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Solution

The fourth proportional to 292,889.52, 404,183.16 and 165,560.64 is: 228,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,889.52 : 404,183.16 = 165,560.64 : x
  2. Step 2: Convert to fraction form
    292,889.52/404,183.16 = 165,560.64/x
  3. Step 3: Cross multiply
    292,889.52x = 404,183.16 × 165,560.64
  4. Step 4: Simplify right side
    292,889.52x = 66,916,822,646.82
  5. Step 5: Solve for x
    x = 66,916,822,646.82/292,889.52
  6. Step 6: Final answer
    x = 228,471.21

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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.