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Finding the Fourth Proportional to 218,622.22, 327,933.39 and 168,775.09

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Solution

The fourth proportional to 218,622.22, 327,933.39 and 168,775.09 is: 253,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,622.22 : 327,933.39 = 168,775.09 : x
  2. Step 2: Convert to fraction form
    218,622.22/327,933.39 = 168,775.09/x
  3. Step 3: Cross multiply
    218,622.22x = 327,933.39 × 168,775.09
  4. Step 4: Simplify right side
    218,622.22x = 55,346,987,411.26
  5. Step 5: Solve for x
    x = 55,346,987,411.26/218,622.22
  6. Step 6: Final answer
    x = 253,162.68

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1.5x scale

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.