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Finding the Fourth Proportional to 70,715.78, 97,563.49 and 43,848.62

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Solution

The fourth proportional to 70,715.78, 97,563.49 and 43,848.62 is: 60,496.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,715.78 : 97,563.49 = 43,848.62 : x
  2. Step 2: Convert to fraction form
    70,715.78/97,563.49 = 43,848.62/x
  3. Step 3: Cross multiply
    70,715.78x = 97,563.49 × 43,848.62
  4. Step 4: Simplify right side
    70,715.78x = 4,278,023,801.44
  5. Step 5: Solve for x
    x = 4,278,023,801.44/70,715.78
  6. Step 6: Final answer
    x = 60,496.03

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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.