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Finding the Fourth Proportional to 110,852.20, 166,302.60 and 35,959.60

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Solution

The fourth proportional to 110,852.20, 166,302.60 and 35,959.60 is: 53,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,852.20 : 166,302.60 = 35,959.60 : x
  2. Step 2: Convert to fraction form
    110,852.20/166,302.60 = 35,959.60/x
  3. Step 3: Cross multiply
    110,852.20x = 166,302.60 × 35,959.60
  4. Step 4: Simplify right side
    110,852.20x = 5,980,174,974.96
  5. Step 5: Solve for x
    x = 5,980,174,974.96/110,852.20
  6. Step 6: Final answer
    x = 53,947.28

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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.