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Finding the Fourth Proportional to 243,842.73, 335,755.26 and 213,458.01

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Solution

The fourth proportional to 243,842.73, 335,755.26 and 213,458.01 is: 293,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,842.73 : 335,755.26 = 213,458.01 : x
  2. Step 2: Convert to fraction form
    243,842.73/335,755.26 = 213,458.01/x
  3. Step 3: Cross multiply
    243,842.73x = 335,755.26 × 213,458.01
  4. Step 4: Simplify right side
    243,842.73x = 71,669,649,646.63
  5. Step 5: Solve for x
    x = 71,669,649,646.63/243,842.73
  6. Step 6: Final answer
    x = 293,917.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.