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Finding the Fourth Proportional to 104,657.58, 156,991.80 and 34,542.36

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Solution

The fourth proportional to 104,657.58, 156,991.80 and 34,542.36 is: 51,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,657.58 : 156,991.80 = 34,542.36 : x
  2. Step 2: Convert to fraction form
    104,657.58/156,991.80 = 34,542.36/x
  3. Step 3: Cross multiply
    104,657.58x = 156,991.80 × 34,542.36
  4. Step 4: Simplify right side
    104,657.58x = 5,422,867,272.65
  5. Step 5: Solve for x
    x = 5,422,867,272.65/104,657.58
  6. Step 6: Final answer
    x = 51,815.33

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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.