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Finding the Fourth Proportional to 190,953.25, 286,392.97 and 181,469.87

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Solution

The fourth proportional to 190,953.25, 286,392.97 and 181,469.87 is: 272,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,953.25 : 286,392.97 = 181,469.87 : x
  2. Step 2: Convert to fraction form
    190,953.25/286,392.97 = 181,469.87/x
  3. Step 3: Cross multiply
    190,953.25x = 286,392.97 × 181,469.87
  4. Step 4: Simplify right side
    190,953.25x = 51,971,693,882.89
  5. Step 5: Solve for x
    x = 51,971,693,882.89/190,953.25
  6. Step 6: Final answer
    x = 272,169.73

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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.