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Finding the Fourth Proportional to 273,179.05, 409,768.54 and 146,878.72

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Solution

The fourth proportional to 273,179.05, 409,768.54 and 146,878.72 is: 220,318.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,179.05 : 409,768.54 = 146,878.72 : x
  2. Step 2: Convert to fraction form
    273,179.05/409,768.54 = 146,878.72/x
  3. Step 3: Cross multiply
    273,179.05x = 409,768.54 × 146,878.72
  4. Step 4: Simplify right side
    273,179.05x = 60,186,277,259.85
  5. Step 5: Solve for x
    x = 60,186,277,259.85/273,179.05
  6. Step 6: Final answer
    x = 220,318.06

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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.