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Finding the Fourth Proportional to 270,692.66, 373,595.92 and 155,949.49

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Solution

The fourth proportional to 270,692.66, 373,595.92 and 155,949.49 is: 215,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,692.66 : 373,595.92 = 155,949.49 : x
  2. Step 2: Convert to fraction form
    270,692.66/373,595.92 = 155,949.49/x
  3. Step 3: Cross multiply
    270,692.66x = 373,595.92 × 155,949.49
  4. Step 4: Simplify right side
    270,692.66x = 58,262,091,604.33
  5. Step 5: Solve for x
    x = 58,262,091,604.33/270,692.66
  6. Step 6: Final answer
    x = 215,233.36

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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.