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Finding the Fourth Proportional to 170,832.88, 256,103.52 and 120,755.44

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Solution

The fourth proportional to 170,832.88, 256,103.52 and 120,755.44 is: 181,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,832.88 : 256,103.52 = 120,755.44 : x
  2. Step 2: Convert to fraction form
    170,832.88/256,103.52 = 120,755.44/x
  3. Step 3: Cross multiply
    170,832.88x = 256,103.52 × 120,755.44
  4. Step 4: Simplify right side
    170,832.88x = 30,925,893,789.69
  5. Step 5: Solve for x
    x = 30,925,893,789.69/170,832.88
  6. Step 6: Final answer
    x = 181,030.10

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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.