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Finding the Fourth Proportional to 200,373.36, 300,569.34 and 111,559.92

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Solution

The fourth proportional to 200,373.36, 300,569.34 and 111,559.92 is: 167,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,373.36 : 300,569.34 = 111,559.92 : x
  2. Step 2: Convert to fraction form
    200,373.36/300,569.34 = 111,559.92/x
  3. Step 3: Cross multiply
    200,373.36x = 300,569.34 × 111,559.92
  4. Step 4: Simplify right side
    200,373.36x = 33,531,491,524.85
  5. Step 5: Solve for x
    x = 33,531,491,524.85/200,373.36
  6. Step 6: Final answer
    x = 167,345.06

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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.