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Finding the Fourth Proportional to 252,602.40, 348,660 and 145,183.44

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Solution

The fourth proportional to 252,602.40, 348,660 and 145,183.44 is: 200,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,602.40 : 348,660 = 145,183.44 : x
  2. Step 2: Convert to fraction form
    252,602.40/348,660 = 145,183.44/x
  3. Step 3: Cross multiply
    252,602.40x = 348,660 × 145,183.44
  4. Step 4: Simplify right side
    252,602.40x = 50,619,658,190.40
  5. Step 5: Solve for x
    x = 50,619,658,190.40/252,602.40
  6. Step 6: Final answer
    x = 200,392.63

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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.