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Finding the Fourth Proportional to 73,659.85, 101,647.90 and 45,027.46

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Solution

The fourth proportional to 73,659.85, 101,647.90 and 45,027.46 is: 62,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,659.85 : 101,647.90 = 45,027.46 : x
  2. Step 2: Convert to fraction form
    73,659.85/101,647.90 = 45,027.46/x
  3. Step 3: Cross multiply
    73,659.85x = 101,647.90 × 45,027.46
  4. Step 4: Simplify right side
    73,659.85x = 4,576,947,072.19
  5. Step 5: Solve for x
    x = 4,576,947,072.19/73,659.85
  6. Step 6: Final answer
    x = 62,136.25

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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.