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Finding the Fourth Proportional to 199,928.29, 299,911.22 and 73,570.94

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Solution

The fourth proportional to 199,928.29, 299,911.22 and 73,570.94 is: 110,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,928.29 : 299,911.22 = 73,570.94 : x
  2. Step 2: Convert to fraction form
    199,928.29/299,911.22 = 73,570.94/x
  3. Step 3: Cross multiply
    199,928.29x = 299,911.22 × 73,570.94
  4. Step 4: Simplify right side
    199,928.29x = 22,064,750,371.95
  5. Step 5: Solve for x
    x = 22,064,750,371.95/199,928.29
  6. Step 6: Final answer
    x = 110,363.32

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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.