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Finding the Fourth Proportional to 223,388.46, 335,066.30 and 65,629.26

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Solution

The fourth proportional to 223,388.46, 335,066.30 and 65,629.26 is: 98,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,388.46 : 335,066.30 = 65,629.26 : x
  2. Step 2: Convert to fraction form
    223,388.46/335,066.30 = 65,629.26/x
  3. Step 3: Cross multiply
    223,388.46x = 335,066.30 × 65,629.26
  4. Step 4: Simplify right side
    223,388.46x = 21,990,153,319.94
  5. Step 5: Solve for x
    x = 21,990,153,319.94/223,388.46
  6. Step 6: Final answer
    x = 98,439.07

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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.