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Finding the Fourth Proportional to 164,711.63, 227,326.42 and 104,287.89

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Solution

The fourth proportional to 164,711.63, 227,326.42 and 104,287.89 is: 143,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,711.63 : 227,326.42 = 104,287.89 : x
  2. Step 2: Convert to fraction form
    164,711.63/227,326.42 = 104,287.89/x
  3. Step 3: Cross multiply
    164,711.63x = 227,326.42 × 104,287.89
  4. Step 4: Simplify right side
    164,711.63x = 23,707,393,639.52
  5. Step 5: Solve for x
    x = 23,707,393,639.52/164,711.63
  6. Step 6: Final answer
    x = 143,932.73

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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.