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Finding the Fourth Proportional to 73,901.54, 101,245.47 and 71,134.01

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Solution

The fourth proportional to 73,901.54, 101,245.47 and 71,134.01 is: 97,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,901.54 : 101,245.47 = 71,134.01 : x
  2. Step 2: Convert to fraction form
    73,901.54/101,245.47 = 71,134.01/x
  3. Step 3: Cross multiply
    73,901.54x = 101,245.47 × 71,134.01
  4. Step 4: Simplify right side
    73,901.54x = 7,201,995,769.21
  5. Step 5: Solve for x
    x = 7,201,995,769.21/73,901.54
  6. Step 6: Final answer
    x = 97,453.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.