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Finding the Fourth Proportional to 223,665.54, 308,658.33 and 123,062.82

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Solution

The fourth proportional to 223,665.54, 308,658.33 and 123,062.82 is: 169,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,665.54 : 308,658.33 = 123,062.82 : x
  2. Step 2: Convert to fraction form
    223,665.54/308,658.33 = 123,062.82/x
  3. Step 3: Cross multiply
    223,665.54x = 308,658.33 × 123,062.82
  4. Step 4: Simplify right side
    223,665.54x = 37,984,364,506.29
  5. Step 5: Solve for x
    x = 37,984,364,506.29/223,665.54
  6. Step 6: Final answer
    x = 169,826.63

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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.