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Finding the Fourth Proportional to 159,741.72, 220,454.46 and 92,673.72

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Solution

The fourth proportional to 159,741.72, 220,454.46 and 92,673.72 is: 127,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,741.72 : 220,454.46 = 92,673.72 : x
  2. Step 2: Convert to fraction form
    159,741.72/220,454.46 = 92,673.72/x
  3. Step 3: Cross multiply
    159,741.72x = 220,454.46 × 92,673.72
  4. Step 4: Simplify right side
    159,741.72x = 20,430,334,898.79
  5. Step 5: Solve for x
    x = 20,430,334,898.79/159,741.72
  6. Step 6: Final answer
    x = 127,896.05

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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.