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Finding the Fourth Proportional to 448,692.82, 673,170.45 and 133,157.93

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Solution

The fourth proportional to 448,692.82, 673,170.45 and 133,157.93 is: 199,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,692.82 : 673,170.45 = 133,157.93 : x
  2. Step 2: Convert to fraction form
    448,692.82/673,170.45 = 133,157.93/x
  3. Step 3: Cross multiply
    448,692.82x = 673,170.45 × 133,157.93
  4. Step 4: Simplify right side
    448,692.82x = 89,637,979,793.97
  5. Step 5: Solve for x
    x = 89,637,979,793.97/448,692.82
  6. Step 6: Final answer
    x = 199,775.83

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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.