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Finding the Fourth Proportional to 251,949, 347,659.38 and 144,513.48

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Solution

The fourth proportional to 251,949, 347,659.38 and 144,513.48 is: 199,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,949 : 347,659.38 = 144,513.48 : x
  2. Step 2: Convert to fraction form
    251,949/347,659.38 = 144,513.48/x
  3. Step 3: Cross multiply
    251,949x = 347,659.38 × 144,513.48
  4. Step 4: Simplify right side
    251,949x = 50,241,466,858.44
  5. Step 5: Solve for x
    x = 50,241,466,858.44/251,949
  6. Step 6: Final answer
    x = 199,411.26

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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.