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Finding the Fourth Proportional to 218,622.44, 301,699.56 and 126,759.56

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Solution

The fourth proportional to 218,622.44, 301,699.56 and 126,759.56 is: 174,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,622.44 : 301,699.56 = 126,759.56 : x
  2. Step 2: Convert to fraction form
    218,622.44/301,699.56 = 126,759.56/x
  3. Step 3: Cross multiply
    218,622.44x = 301,699.56 × 126,759.56
  4. Step 4: Simplify right side
    218,622.44x = 38,243,303,477.79
  5. Step 5: Solve for x
    x = 38,243,303,477.79/218,622.44
  6. Step 6: Final answer
    x = 174,928.54

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1.5x scale

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.