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Finding the Fourth Proportional to 252,842.31, 348,932.48 and 145,412.28

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Solution

The fourth proportional to 252,842.31, 348,932.48 and 145,412.28 is: 200,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,842.31 : 348,932.48 = 145,412.28 : x
  2. Step 2: Convert to fraction form
    252,842.31/348,932.48 = 145,412.28/x
  3. Step 3: Cross multiply
    252,842.31x = 348,932.48 × 145,412.28
  4. Step 4: Simplify right side
    252,842.31x = 50,739,066,755.79
  5. Step 5: Solve for x
    x = 50,739,066,755.79/252,842.31
  6. Step 6: Final answer
    x = 200,674.75

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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.