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Finding the Fourth Proportional to 80,547.94, 120,775.61 and 33,195.73

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Solution

The fourth proportional to 80,547.94, 120,775.61 and 33,195.73 is: 49,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547.94 : 120,775.61 = 33,195.73 : x
  2. Step 2: Convert to fraction form
    80,547.94/120,775.61 = 33,195.73/x
  3. Step 3: Cross multiply
    80,547.94x = 120,775.61 × 33,195.73
  4. Step 4: Simplify right side
    80,547.94x = 4,009,234,540.15
  5. Step 5: Solve for x
    x = 4,009,234,540.15/80,547.94
  6. Step 6: Final answer
    x = 49,774.51

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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.