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Finding the Fourth Proportional to 223,859.78, 308,919.30 and 133,194.92

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Solution

The fourth proportional to 223,859.78, 308,919.30 and 133,194.92 is: 183,804.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,859.78 : 308,919.30 = 133,194.92 : x
  2. Step 2: Convert to fraction form
    223,859.78/308,919.30 = 133,194.92/x
  3. Step 3: Cross multiply
    223,859.78x = 308,919.30 × 133,194.92
  4. Step 4: Simplify right side
    223,859.78x = 41,146,481,449.96
  5. Step 5: Solve for x
    x = 41,146,481,449.96/223,859.78
  6. Step 6: Final answer
    x = 183,804.71

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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.