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Finding the Fourth Proportional to 223,896.96, 308,838.96 and 133,191.54

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Solution

The fourth proportional to 223,896.96, 308,838.96 and 133,191.54 is: 183,721.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,896.96 : 308,838.96 = 133,191.54 : x
  2. Step 2: Convert to fraction form
    223,896.96/308,838.96 = 133,191.54/x
  3. Step 3: Cross multiply
    223,896.96x = 308,838.96 × 133,191.54
  4. Step 4: Simplify right side
    223,896.96x = 41,134,736,694.40
  5. Step 5: Solve for x
    x = 41,134,736,694.40/223,896.96
  6. Step 6: Final answer
    x = 183,721.73

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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.