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Finding the Fourth Proportional to 295,941.24, 408,392.76 and 161,805.24

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Solution

The fourth proportional to 295,941.24, 408,392.76 and 161,805.24 is: 223,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,941.24 : 408,392.76 = 161,805.24 : x
  2. Step 2: Convert to fraction form
    295,941.24/408,392.76 = 161,805.24/x
  3. Step 3: Cross multiply
    295,941.24x = 408,392.76 × 161,805.24
  4. Step 4: Simplify right side
    295,941.24x = 66,080,088,546.06
  5. Step 5: Solve for x
    x = 66,080,088,546.06/295,941.24
  6. Step 6: Final answer
    x = 223,287.87

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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.