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Finding the Fourth Proportional to 95,638.56, 143,465.87 and 29,079.27

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Solution

The fourth proportional to 95,638.56, 143,465.87 and 29,079.27 is: 43,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,638.56 : 143,465.87 = 29,079.27 : x
  2. Step 2: Convert to fraction form
    95,638.56/143,465.87 = 29,079.27/x
  3. Step 3: Cross multiply
    95,638.56x = 143,465.87 × 29,079.27
  4. Step 4: Simplify right side
    95,638.56x = 4,171,881,906.79
  5. Step 5: Solve for x
    x = 4,171,881,906.79/95,638.56
  6. Step 6: Final answer
    x = 43,621.34

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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.