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Finding the Fourth Proportional to 70,365.96, 97,004.92 and 43,493.28

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Solution

The fourth proportional to 70,365.96, 97,004.92 and 43,493.28 is: 59,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,365.96 : 97,004.92 = 43,493.28 : x
  2. Step 2: Convert to fraction form
    70,365.96/97,004.92 = 43,493.28/x
  3. Step 3: Cross multiply
    70,365.96x = 97,004.92 × 43,493.28
  4. Step 4: Simplify right side
    70,365.96x = 4,219,062,146.94
  5. Step 5: Solve for x
    x = 4,219,062,146.94/70,365.96
  6. Step 6: Final answer
    x = 59,958.85

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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.