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Finding the Fourth Proportional to 292,895.15, 404,204.85 and 162,074.30

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Solution

The fourth proportional to 292,895.15, 404,204.85 and 162,074.30 is: 223,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,895.15 : 404,204.85 = 162,074.30 : x
  2. Step 2: Convert to fraction form
    292,895.15/404,204.85 = 162,074.30/x
  3. Step 3: Cross multiply
    292,895.15x = 404,204.85 × 162,074.30
  4. Step 4: Simplify right side
    292,895.15x = 65,511,216,099.33
  5. Step 5: Solve for x
    x = 65,511,216,099.33/292,895.15
  6. Step 6: Final answer
    x = 223,667.81

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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.