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Finding the Fourth Proportional to 173,329.20, 259,993.80 and 80,017.20

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Solution

The fourth proportional to 173,329.20, 259,993.80 and 80,017.20 is: 120,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,329.20 : 259,993.80 = 80,017.20 : x
  2. Step 2: Convert to fraction form
    173,329.20/259,993.80 = 80,017.20/x
  3. Step 3: Cross multiply
    173,329.20x = 259,993.80 × 80,017.20
  4. Step 4: Simplify right side
    173,329.20x = 20,803,975,893.36
  5. Step 5: Solve for x
    x = 20,803,975,893.36/173,329.20
  6. Step 6: Final answer
    x = 120,025.80

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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.