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Finding the Fourth Proportional to 151,800.84, 227,696.40 and 68,694.84

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Solution

The fourth proportional to 151,800.84, 227,696.40 and 68,694.84 is: 103,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,800.84 : 227,696.40 = 68,694.84 : x
  2. Step 2: Convert to fraction form
    151,800.84/227,696.40 = 68,694.84/x
  3. Step 3: Cross multiply
    151,800.84x = 227,696.40 × 68,694.84
  4. Step 4: Simplify right side
    151,800.84x = 15,641,567,766.58
  5. Step 5: Solve for x
    x = 15,641,567,766.58/151,800.84
  6. Step 6: Final answer
    x = 103,040.06

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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.