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Finding the Fourth Proportional to 250,971.94, 376,430.37 and 73,480.69

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Solution

The fourth proportional to 250,971.94, 376,430.37 and 73,480.69 is: 110,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,971.94 : 376,430.37 = 73,480.69 : x
  2. Step 2: Convert to fraction form
    250,971.94/376,430.37 = 73,480.69/x
  3. Step 3: Cross multiply
    250,971.94x = 376,430.37 × 73,480.69
  4. Step 4: Simplify right side
    250,971.94x = 27,660,363,324.56
  5. Step 5: Solve for x
    x = 27,660,363,324.56/250,971.94
  6. Step 6: Final answer
    x = 110,212.97

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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.