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Finding the Fourth Proportional to 200,692.79, 300,828.46 and 67,526.82

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Solution

The fourth proportional to 200,692.79, 300,828.46 and 67,526.82 is: 101,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,692.79 : 300,828.46 = 67,526.82 : x
  2. Step 2: Convert to fraction form
    200,692.79/300,828.46 = 67,526.82/x
  3. Step 3: Cross multiply
    200,692.79x = 300,828.46 × 67,526.82
  4. Step 4: Simplify right side
    200,692.79x = 20,313,989,269.30
  5. Step 5: Solve for x
    x = 20,313,989,269.30/200,692.79
  6. Step 6: Final answer
    x = 101,219.33

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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.