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Finding the Fourth Proportional to 70,680.84, 97,546.28 and 40,468.56

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Solution

The fourth proportional to 70,680.84, 97,546.28 and 40,468.56 is: 55,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,680.84 : 97,546.28 = 40,468.56 : x
  2. Step 2: Convert to fraction form
    70,680.84/97,546.28 = 40,468.56/x
  3. Step 3: Cross multiply
    70,680.84x = 97,546.28 × 40,468.56
  4. Step 4: Simplify right side
    70,680.84x = 3,947,557,484.96
  5. Step 5: Solve for x
    x = 3,947,557,484.96/70,680.84
  6. Step 6: Final answer
    x = 55,850.46

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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.