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Finding the Fourth Proportional to 223,388.06, 335,090.73 and 65,613.02

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Solution

The fourth proportional to 223,388.06, 335,090.73 and 65,613.02 is: 98,422.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,388.06 : 335,090.73 = 65,613.02 : x
  2. Step 2: Convert to fraction form
    223,388.06/335,090.73 = 65,613.02/x
  3. Step 3: Cross multiply
    223,388.06x = 335,090.73 × 65,613.02
  4. Step 4: Simplify right side
    223,388.06x = 21,986,314,769.30
  5. Step 5: Solve for x
    x = 21,986,314,769.30/223,388.06
  6. Step 6: Final answer
    x = 98,422.07

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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.