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Finding the Fourth Proportional to 168,007, 252,015.36 and 43,348

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Solution

The fourth proportional to 168,007, 252,015.36 and 43,348 is: 65,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,007 : 252,015.36 = 43,348 : x
  2. Step 2: Convert to fraction form
    168,007/252,015.36 = 43,348/x
  3. Step 3: Cross multiply
    168,007x = 252,015.36 × 43,348
  4. Step 4: Simplify right side
    168,007x = 10,924,361,825.28
  5. Step 5: Solve for x
    x = 10,924,361,825.28/168,007
  6. Step 6: Final answer
    x = 65,023.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.