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Finding the Fourth Proportional to 154,893.44, 232,616 and 126,866.56

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Solution

The fourth proportional to 154,893.44, 232,616 and 126,866.56 is: 190,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,893.44 : 232,616 = 126,866.56 : x
  2. Step 2: Convert to fraction form
    154,893.44/232,616 = 126,866.56/x
  3. Step 3: Cross multiply
    154,893.44x = 232,616 × 126,866.56
  4. Step 4: Simplify right side
    154,893.44x = 29,511,191,720.96
  5. Step 5: Solve for x
    x = 29,511,191,720.96/154,893.44
  6. Step 6: Final answer
    x = 190,525.77

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1.5x scale

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.