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Finding the Fourth Proportional to 223,178.69, 334,786.26 and 104,785.45

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Solution

The fourth proportional to 223,178.69, 334,786.26 and 104,785.45 is: 157,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,178.69 : 334,786.26 = 104,785.45 : x
  2. Step 2: Convert to fraction form
    223,178.69/334,786.26 = 104,785.45/x
  3. Step 3: Cross multiply
    223,178.69x = 334,786.26 × 104,785.45
  4. Step 4: Simplify right side
    223,178.69x = 35,080,728,463.90
  5. Step 5: Solve for x
    x = 35,080,728,463.90/223,178.69
  6. Step 6: Final answer
    x = 157,186.73

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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.