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Finding the Fourth Proportional to 216,014.46, 324,021.85 and 73,860.80

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Solution

The fourth proportional to 216,014.46, 324,021.85 and 73,860.80 is: 110,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,014.46 : 324,021.85 = 73,860.80 : x
  2. Step 2: Convert to fraction form
    216,014.46/324,021.85 = 73,860.80/x
  3. Step 3: Cross multiply
    216,014.46x = 324,021.85 × 73,860.80
  4. Step 4: Simplify right side
    216,014.46x = 23,932,513,671.88
  5. Step 5: Solve for x
    x = 23,932,513,671.88/216,014.46
  6. Step 6: Final answer
    x = 110,791.26

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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.