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Finding the Fourth Proportional to 263,573.94, 395,301.63 and 121,282.71

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Solution

The fourth proportional to 263,573.94, 395,301.63 and 121,282.71 is: 181,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,573.94 : 395,301.63 = 121,282.71 : x
  2. Step 2: Convert to fraction form
    263,573.94/395,301.63 = 121,282.71/x
  3. Step 3: Cross multiply
    263,573.94x = 395,301.63 × 121,282.71
  4. Step 4: Simplify right side
    263,573.94x = 47,943,252,953.82
  5. Step 5: Solve for x
    x = 47,943,252,953.82/263,573.94
  6. Step 6: Final answer
    x = 181,896.79

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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.