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Finding the Fourth Proportional to 73,550.16, 110,328.89 and 20,967.39

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Solution

The fourth proportional to 73,550.16, 110,328.89 and 20,967.39 is: 31,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,550.16 : 110,328.89 = 20,967.39 : x
  2. Step 2: Convert to fraction form
    73,550.16/110,328.89 = 20,967.39/x
  3. Step 3: Cross multiply
    73,550.16x = 110,328.89 × 20,967.39
  4. Step 4: Simplify right side
    73,550.16x = 2,313,308,760.06
  5. Step 5: Solve for x
    x = 2,313,308,760.06/73,550.16
  6. Step 6: Final answer
    x = 31,452.12

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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.