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Finding the Fourth Proportional to 270,692.49, 373,469.76 and 157,493.37

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Solution

The fourth proportional to 270,692.49, 373,469.76 and 157,493.37 is: 217,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,692.49 : 373,469.76 = 157,493.37 : x
  2. Step 2: Convert to fraction form
    270,692.49/373,469.76 = 157,493.37/x
  3. Step 3: Cross multiply
    270,692.49x = 373,469.76 × 157,493.37
  4. Step 4: Simplify right side
    270,692.49x = 58,819,011,095.49
  5. Step 5: Solve for x
    x = 58,819,011,095.49/270,692.49
  6. Step 6: Final answer
    x = 217,290.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.