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Finding the Fourth Proportional to 70,568.53, 97,380.94 and 41,889.40

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Solution

The fourth proportional to 70,568.53, 97,380.94 and 41,889.40 is: 57,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,568.53 : 97,380.94 = 41,889.40 : x
  2. Step 2: Convert to fraction form
    70,568.53/97,380.94 = 41,889.40/x
  3. Step 3: Cross multiply
    70,568.53x = 97,380.94 × 41,889.40
  4. Step 4: Simplify right side
    70,568.53x = 4,079,229,148.04
  5. Step 5: Solve for x
    x = 4,079,229,148.04/70,568.53
  6. Step 6: Final answer
    x = 57,805.22

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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.