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Finding the Fourth Proportional to 70,241.45, 96,906.11 and 43,337.30

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Solution

The fourth proportional to 70,241.45, 96,906.11 and 43,337.30 is: 59,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,241.45 : 96,906.11 = 43,337.30 : x
  2. Step 2: Convert to fraction form
    70,241.45/96,906.11 = 43,337.30/x
  3. Step 3: Cross multiply
    70,241.45x = 96,906.11 × 43,337.30
  4. Step 4: Simplify right side
    70,241.45x = 4,199,648,459.69
  5. Step 5: Solve for x
    x = 4,199,648,459.69/70,241.45
  6. Step 6: Final answer
    x = 59,788.75

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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.