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Finding the Fourth Proportional to 70,983.33, 97,757.67 and 69,433.29

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Solution

The fourth proportional to 70,983.33, 97,757.67 and 69,433.29 is: 95,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,983.33 : 97,757.67 = 69,433.29 : x
  2. Step 2: Convert to fraction form
    70,983.33/97,757.67 = 69,433.29/x
  3. Step 3: Cross multiply
    70,983.33x = 97,757.67 × 69,433.29
  4. Step 4: Simplify right side
    70,983.33x = 6,787,636,650.83
  5. Step 5: Solve for x
    x = 6,787,636,650.83/70,983.33
  6. Step 6: Final answer
    x = 95,622.97

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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.