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Finding the Fourth Proportional to 75,797.32, 104,641.31 and 45,589.38

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Solution

The fourth proportional to 75,797.32, 104,641.31 and 45,589.38 is: 62,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,797.32 : 104,641.31 = 45,589.38 : x
  2. Step 2: Convert to fraction form
    75,797.32/104,641.31 = 45,589.38/x
  3. Step 3: Cross multiply
    75,797.32x = 104,641.31 × 45,589.38
  4. Step 4: Simplify right side
    75,797.32x = 4,770,532,217.34
  5. Step 5: Solve for x
    x = 4,770,532,217.34/75,797.32
  6. Step 6: Final answer
    x = 62,938.01

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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.