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Finding the Fourth Proportional to 168,003, 252,009.36 and 43,344

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Solution

The fourth proportional to 168,003, 252,009.36 and 43,344 is: 65,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,003 : 252,009.36 = 43,344 : x
  2. Step 2: Convert to fraction form
    168,003/252,009.36 = 43,344/x
  3. Step 3: Cross multiply
    168,003x = 252,009.36 × 43,344
  4. Step 4: Simplify right side
    168,003x = 10,923,093,699.84
  5. Step 5: Solve for x
    x = 10,923,093,699.84/168,003
  6. Step 6: Final answer
    x = 65,017.25

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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.