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Finding the Fourth Proportional to 333,692.69, 500,534.80 and 80,975.25

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Solution

The fourth proportional to 333,692.69, 500,534.80 and 80,975.25 is: 121,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,692.69 : 500,534.80 = 80,975.25 : x
  2. Step 2: Convert to fraction form
    333,692.69/500,534.80 = 80,975.25/x
  3. Step 3: Cross multiply
    333,692.69x = 500,534.80 × 80,975.25
  4. Step 4: Simplify right side
    333,692.69x = 40,530,930,361.26
  5. Step 5: Solve for x
    x = 40,530,930,361.26/333,692.69
  6. Step 6: Final answer
    x = 121,461.85

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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.