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Finding the Fourth Proportional to 192,900.84, 266,200.26 and 106,859.55

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Solution

The fourth proportional to 192,900.84, 266,200.26 and 106,859.55 is: 147,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,900.84 : 266,200.26 = 106,859.55 : x
  2. Step 2: Convert to fraction form
    192,900.84/266,200.26 = 106,859.55/x
  3. Step 3: Cross multiply
    192,900.84x = 266,200.26 × 106,859.55
  4. Step 4: Simplify right side
    192,900.84x = 28,446,039,993.48
  5. Step 5: Solve for x
    x = 28,446,039,993.48/192,900.84
  6. Step 6: Final answer
    x = 147,464.57

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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.