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Finding the Fourth Proportional to 262,803.75, 362,669.22 and 143,571.75

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Solution

The fourth proportional to 262,803.75, 362,669.22 and 143,571.75 is: 198,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,803.75 : 362,669.22 = 143,571.75 : x
  2. Step 2: Convert to fraction form
    262,803.75/362,669.22 = 143,571.75/x
  3. Step 3: Cross multiply
    262,803.75x = 362,669.22 × 143,571.75
  4. Step 4: Simplify right side
    262,803.75x = 52,069,054,586.54
  5. Step 5: Solve for x
    x = 52,069,054,586.54/262,803.75
  6. Step 6: Final answer
    x = 198,129.04

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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.