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Finding the Fourth Proportional to 164,512.80, 246,866.40 and 120,027.60

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Solution

The fourth proportional to 164,512.80, 246,866.40 and 120,027.60 is: 180,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,512.80 : 246,866.40 = 120,027.60 : x
  2. Step 2: Convert to fraction form
    164,512.80/246,866.40 = 120,027.60/x
  3. Step 3: Cross multiply
    164,512.80x = 246,866.40 × 120,027.60
  4. Step 4: Simplify right side
    164,512.80x = 29,630,781,512.64
  5. Step 5: Solve for x
    x = 29,630,781,512.64/164,512.80
  6. Step 6: Final answer
    x = 180,112.32

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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.