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Finding the Fourth Proportional to 183,230.80, 274,846.20 and 83,438.80

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Solution

The fourth proportional to 183,230.80, 274,846.20 and 83,438.80 is: 125,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,230.80 : 274,846.20 = 83,438.80 : x
  2. Step 2: Convert to fraction form
    183,230.80/274,846.20 = 83,438.80/x
  3. Step 3: Cross multiply
    183,230.80x = 274,846.20 × 83,438.80
  4. Step 4: Simplify right side
    183,230.80x = 22,932,837,112.56
  5. Step 5: Solve for x
    x = 22,932,837,112.56/183,230.80
  6. Step 6: Final answer
    x = 125,158.20

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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.