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Finding the Fourth Proportional to 101,930.79, 152,891.28 and 34,458.33

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Solution

The fourth proportional to 101,930.79, 152,891.28 and 34,458.33 is: 51,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,930.79 : 152,891.28 = 34,458.33 : x
  2. Step 2: Convert to fraction form
    101,930.79/152,891.28 = 34,458.33/x
  3. Step 3: Cross multiply
    101,930.79x = 152,891.28 × 34,458.33
  4. Step 4: Simplify right side
    101,930.79x = 5,268,378,180.36
  5. Step 5: Solve for x
    x = 5,268,378,180.36/101,930.79
  6. Step 6: Final answer
    x = 51,685.84

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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.