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Finding the Fourth Proportional to 64,073.57, 96,048.63 and 43,019.37

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Solution

The fourth proportional to 64,073.57, 96,048.63 and 43,019.37 is: 64,487.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,073.57 : 96,048.63 = 43,019.37 : x
  2. Step 2: Convert to fraction form
    64,073.57/96,048.63 = 43,019.37/x
  3. Step 3: Cross multiply
    64,073.57x = 96,048.63 × 43,019.37
  4. Step 4: Simplify right side
    64,073.57x = 4,131,951,551.96
  5. Step 5: Solve for x
    x = 4,131,951,551.96/64,073.57
  6. Step 6: Final answer
    x = 64,487.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.