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Finding the Fourth Proportional to 146,119.60, 219,057.90 and 61,944.40

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Solution

The fourth proportional to 146,119.60, 219,057.90 and 61,944.40 is: 92,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,119.60 : 219,057.90 = 61,944.40 : x
  2. Step 2: Convert to fraction form
    146,119.60/219,057.90 = 61,944.40/x
  3. Step 3: Cross multiply
    146,119.60x = 219,057.90 × 61,944.40
  4. Step 4: Simplify right side
    146,119.60x = 13,569,410,180.76
  5. Step 5: Solve for x
    x = 13,569,410,180.76/146,119.60
  6. Step 6: Final answer
    x = 92,865.09

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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.