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Finding the Fourth Proportional to 159,977.04, 220,649 and 141,849.04

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Solution

The fourth proportional to 159,977.04, 220,649 and 141,849.04 is: 195,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,977.04 : 220,649 = 141,849.04 : x
  2. Step 2: Convert to fraction form
    159,977.04/220,649 = 141,849.04/x
  3. Step 3: Cross multiply
    159,977.04x = 220,649 × 141,849.04
  4. Step 4: Simplify right side
    159,977.04x = 31,298,848,826.96
  5. Step 5: Solve for x
    x = 31,298,848,826.96/159,977.04
  6. Step 6: Final answer
    x = 195,645.88

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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.