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Finding the Fourth Proportional to 200,774.19, 301,189.08 and 67,692.50

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Solution

The fourth proportional to 200,774.19, 301,189.08 and 67,692.50 is: 101,548.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,774.19 : 301,189.08 = 67,692.50 : x
  2. Step 2: Convert to fraction form
    200,774.19/301,189.08 = 67,692.50/x
  3. Step 3: Cross multiply
    200,774.19x = 301,189.08 × 67,692.50
  4. Step 4: Simplify right side
    200,774.19x = 20,388,241,797.90
  5. Step 5: Solve for x
    x = 20,388,241,797.90/200,774.19
  6. Step 6: Final answer
    x = 101,548.12

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1.5x scale

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.