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Finding the Fourth Proportional to 223,736.00, 308,686.01 and 126,923.79

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Solution

The fourth proportional to 223,736.00, 308,686.01 and 126,923.79 is: 175,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,736.00 : 308,686.01 = 126,923.79 : x
  2. Step 2: Convert to fraction form
    223,736.00/308,686.01 = 126,923.79/x
  3. Step 3: Cross multiply
    223,736.00x = 308,686.01 × 126,923.79
  4. Step 4: Simplify right side
    223,736.00x = 39,179,597,674.56
  5. Step 5: Solve for x
    x = 39,179,597,674.56/223,736.00
  6. Step 6: Final answer
    x = 175,115.31

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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.