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Finding the Fourth Proportional to 69,062.34, 103,593.51 and 45,683.31

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Solution

The fourth proportional to 69,062.34, 103,593.51 and 45,683.31 is: 68,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,062.34 : 103,593.51 = 45,683.31 : x
  2. Step 2: Convert to fraction form
    69,062.34/103,593.51 = 45,683.31/x
  3. Step 3: Cross multiply
    69,062.34x = 103,593.51 × 45,683.31
  4. Step 4: Simplify right side
    69,062.34x = 4,732,494,431.32
  5. Step 5: Solve for x
    x = 4,732,494,431.32/69,062.34
  6. Step 6: Final answer
    x = 68,524.97

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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.