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Finding the Fourth Proportional to 70,334.92, 105,475.10 and 25,344.28

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Solution

The fourth proportional to 70,334.92, 105,475.10 and 25,344.28 is: 38,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,334.92 : 105,475.10 = 25,344.28 : x
  2. Step 2: Convert to fraction form
    70,334.92/105,475.10 = 25,344.28/x
  3. Step 3: Cross multiply
    70,334.92x = 105,475.10 × 25,344.28
  4. Step 4: Simplify right side
    70,334.92x = 2,673,190,467.43
  5. Step 5: Solve for x
    x = 2,673,190,467.43/70,334.92
  6. Step 6: Final answer
    x = 38,006.59

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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.