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Finding the Fourth Proportional to 274,692.58, 379,066.90 and 152,179.92

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Solution

The fourth proportional to 274,692.58, 379,066.90 and 152,179.92 is: 210,003.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,692.58 : 379,066.90 = 152,179.92 : x
  2. Step 2: Convert to fraction form
    274,692.58/379,066.90 = 152,179.92/x
  3. Step 3: Cross multiply
    274,692.58x = 379,066.90 × 152,179.92
  4. Step 4: Simplify right side
    274,692.58x = 57,686,369,702.67
  5. Step 5: Solve for x
    x = 57,686,369,702.67/274,692.58
  6. Step 6: Final answer
    x = 210,003.38

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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.