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Finding the Fourth Proportional to 252,871.44, 348,972.60 and 145,441.34

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Solution

The fourth proportional to 252,871.44, 348,972.60 and 145,441.34 is: 200,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,871.44 : 348,972.60 = 145,441.34 : x
  2. Step 2: Convert to fraction form
    252,871.44/348,972.60 = 145,441.34/x
  3. Step 3: Cross multiply
    252,871.44x = 348,972.60 × 145,441.34
  4. Step 4: Simplify right side
    252,871.44x = 50,755,042,567.28
  5. Step 5: Solve for x
    x = 50,755,042,567.28/252,871.44
  6. Step 6: Final answer
    x = 200,714.81

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1.5x scale

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.