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Finding the Fourth Proportional to 190,609.26, 285,908.76 and 50,369.10

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Solution

The fourth proportional to 190,609.26, 285,908.76 and 50,369.10 is: 75,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,609.26 : 285,908.76 = 50,369.10 : x
  2. Step 2: Convert to fraction form
    190,609.26/285,908.76 = 50,369.10/x
  3. Step 3: Cross multiply
    190,609.26x = 285,908.76 × 50,369.10
  4. Step 4: Simplify right side
    190,609.26x = 14,400,966,923.32
  5. Step 5: Solve for x
    x = 14,400,966,923.32/190,609.26
  6. Step 6: Final answer
    x = 75,552.29

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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.