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Finding the Fourth Proportional to 70,442.03, 97,219.97 and 43,593.20

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Solution

The fourth proportional to 70,442.03, 97,219.97 and 43,593.20 is: 60,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,442.03 : 97,219.97 = 43,593.20 : x
  2. Step 2: Convert to fraction form
    70,442.03/97,219.97 = 43,593.20/x
  3. Step 3: Cross multiply
    70,442.03x = 97,219.97 × 43,593.20
  4. Step 4: Simplify right side
    70,442.03x = 4,238,128,892.14
  5. Step 5: Solve for x
    x = 4,238,128,892.14/70,442.03
  6. Step 6: Final answer
    x = 60,164.78

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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.