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Finding the Fourth Proportional to 80,019.54, 120,122.08 and 46,763.48

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Solution

The fourth proportional to 80,019.54, 120,122.08 and 46,763.48 is: 70,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,019.54 : 120,122.08 = 46,763.48 : x
  2. Step 2: Convert to fraction form
    80,019.54/120,122.08 = 46,763.48/x
  3. Step 3: Cross multiply
    80,019.54x = 120,122.08 × 46,763.48
  4. Step 4: Simplify right side
    80,019.54x = 5,617,326,485.64
  5. Step 5: Solve for x
    x = 5,617,326,485.64/80,019.54
  6. Step 6: Final answer
    x = 70,199.43

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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.