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Finding the Fourth Proportional to 252,605.40, 348,664.14 and 145,186.44

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Solution

The fourth proportional to 252,605.40, 348,664.14 and 145,186.44 is: 200,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,605.40 : 348,664.14 = 145,186.44 : x
  2. Step 2: Convert to fraction form
    252,605.40/348,664.14 = 145,186.44/x
  3. Step 3: Cross multiply
    252,605.40x = 348,664.14 × 145,186.44
  4. Step 4: Simplify right side
    252,605.40x = 50,621,305,242.26
  5. Step 5: Solve for x
    x = 50,621,305,242.26/252,605.40
  6. Step 6: Final answer
    x = 200,396.77

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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.