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Finding the Fourth Proportional to 190,777.71, 263,274.27 and 119,199.27

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Solution

The fourth proportional to 190,777.71, 263,274.27 and 119,199.27 is: 164,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,777.71 : 263,274.27 = 119,199.27 : x
  2. Step 2: Convert to fraction form
    190,777.71/263,274.27 = 119,199.27/x
  3. Step 3: Cross multiply
    190,777.71x = 263,274.27 × 119,199.27
  4. Step 4: Simplify right side
    190,777.71x = 31,382,100,793.78
  5. Step 5: Solve for x
    x = 31,382,100,793.78/190,777.71
  6. Step 6: Final answer
    x = 164,495.64

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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.