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Finding the Fourth Proportional to 202,532.43, 279,493.43 and 111,894.24

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Solution

The fourth proportional to 202,532.43, 279,493.43 and 111,894.24 is: 154,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,532.43 : 279,493.43 = 111,894.24 : x
  2. Step 2: Convert to fraction form
    202,532.43/279,493.43 = 111,894.24/x
  3. Step 3: Cross multiply
    202,532.43x = 279,493.43 × 111,894.24
  4. Step 4: Simplify right side
    202,532.43x = 31,273,704,375.37
  5. Step 5: Solve for x
    x = 31,273,704,375.37/202,532.43
  6. Step 6: Final answer
    x = 154,413.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.