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Finding the Fourth Proportional to 199,571.72, 275,409.05 and 108,926.01

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Solution

The fourth proportional to 199,571.72, 275,409.05 and 108,926.01 is: 150,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,571.72 : 275,409.05 = 108,926.01 : x
  2. Step 2: Convert to fraction form
    199,571.72/275,409.05 = 108,926.01/x
  3. Step 3: Cross multiply
    199,571.72x = 275,409.05 × 108,926.01
  4. Step 4: Simplify right side
    199,571.72x = 29,999,208,389.76
  5. Step 5: Solve for x
    x = 29,999,208,389.76/199,571.72
  6. Step 6: Final answer
    x = 150,317.94

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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.