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Finding the Fourth Proportional to 101,324.31, 151,989.56 and 34,763.50

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Solution

The fourth proportional to 101,324.31, 151,989.56 and 34,763.50 is: 52,146.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,324.31 : 151,989.56 = 34,763.50 : x
  2. Step 2: Convert to fraction form
    101,324.31/151,989.56 = 34,763.50/x
  3. Step 3: Cross multiply
    101,324.31x = 151,989.56 × 34,763.50
  4. Step 4: Simplify right side
    101,324.31x = 5,283,689,069.06
  5. Step 5: Solve for x
    x = 5,283,689,069.06/101,324.31
  6. Step 6: Final answer
    x = 52,146.31

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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.