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Finding the Fourth Proportional to 223,604.07, 308,674.40 and 147,163.32

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Solution

The fourth proportional to 223,604.07, 308,674.40 and 147,163.32 is: 203,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,604.07 : 308,674.40 = 147,163.32 : x
  2. Step 2: Convert to fraction form
    223,604.07/308,674.40 = 147,163.32/x
  3. Step 3: Cross multiply
    223,604.07x = 308,674.40 × 147,163.32
  4. Step 4: Simplify right side
    223,604.07x = 45,425,548,767.19
  5. Step 5: Solve for x
    x = 45,425,548,767.19/223,604.07
  6. Step 6: Final answer
    x = 203,151.71

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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.