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Finding the Fourth Proportional to 144,493.76, 199,410.60 and 80,832.02

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Solution

The fourth proportional to 144,493.76, 199,410.60 and 80,832.02 is: 111,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,493.76 : 199,410.60 = 80,832.02 : x
  2. Step 2: Convert to fraction form
    144,493.76/199,410.60 = 80,832.02/x
  3. Step 3: Cross multiply
    144,493.76x = 199,410.60 × 80,832.02
  4. Step 4: Simplify right side
    144,493.76x = 16,118,760,610.36
  5. Step 5: Solve for x
    x = 16,118,760,610.36/144,493.76
  6. Step 6: Final answer
    x = 111,553.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.