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Finding the Fourth Proportional to 104,619.06, 156,840.44 and 45,410.22

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Solution

The fourth proportional to 104,619.06, 156,840.44 and 45,410.22 is: 68,077.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,619.06 : 156,840.44 = 45,410.22 : x
  2. Step 2: Convert to fraction form
    104,619.06/156,840.44 = 45,410.22/x
  3. Step 3: Cross multiply
    104,619.06x = 156,840.44 × 45,410.22
  4. Step 4: Simplify right side
    104,619.06x = 7,122,158,658.25
  5. Step 5: Solve for x
    x = 7,122,158,658.25/104,619.06
  6. Step 6: Final answer
    x = 68,077.07

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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.