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Finding the Fourth Proportional to 223,410.75, 335,140.76 and 65,651.50

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Solution

The fourth proportional to 223,410.75, 335,140.76 and 65,651.50 is: 98,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,410.75 : 335,140.76 = 65,651.50 : x
  2. Step 2: Convert to fraction form
    223,410.75/335,140.76 = 65,651.50/x
  3. Step 3: Cross multiply
    223,410.75x = 335,140.76 × 65,651.50
  4. Step 4: Simplify right side
    223,410.75x = 22,002,493,605.14
  5. Step 5: Solve for x
    x = 22,002,493,605.14/223,410.75
  6. Step 6: Final answer
    x = 98,484.49

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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.