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Finding the Fourth Proportional to 295,997.64, 408,468.44 and 161,858.76

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Solution

The fourth proportional to 295,997.64, 408,468.44 and 161,858.76 is: 223,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,997.64 : 408,468.44 = 161,858.76 : x
  2. Step 2: Convert to fraction form
    295,997.64/408,468.44 = 161,858.76/x
  3. Step 3: Cross multiply
    295,997.64x = 408,468.44 × 161,858.76
  4. Step 4: Simplify right side
    295,997.64x = 66,114,195,197.53
  5. Step 5: Solve for x
    x = 66,114,195,197.53/295,997.64
  6. Step 6: Final answer
    x = 223,360.55

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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.