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Finding the Fourth Proportional to 221,927.56, 332,893.76 and 64,157.38

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Solution

The fourth proportional to 221,927.56, 332,893.76 and 64,157.38 is: 96,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,927.56 : 332,893.76 = 64,157.38 : x
  2. Step 2: Convert to fraction form
    221,927.56/332,893.76 = 64,157.38/x
  3. Step 3: Cross multiply
    221,927.56x = 332,893.76 × 64,157.38
  4. Step 4: Simplify right side
    221,927.56x = 21,357,589,955.87
  5. Step 5: Solve for x
    x = 21,357,589,955.87/221,927.56
  6. Step 6: Final answer
    x = 96,236.76

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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.