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Finding the Fourth Proportional to 252,028.26, 347,798.81 and 138,851.01

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Solution

The fourth proportional to 252,028.26, 347,798.81 and 138,851.01 is: 191,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,028.26 : 347,798.81 = 138,851.01 : x
  2. Step 2: Convert to fraction form
    252,028.26/347,798.81 = 138,851.01/x
  3. Step 3: Cross multiply
    252,028.26x = 347,798.81 × 138,851.01
  4. Step 4: Simplify right side
    252,028.26x = 48,292,216,392.43
  5. Step 5: Solve for x
    x = 48,292,216,392.43/252,028.26
  6. Step 6: Final answer
    x = 191,614.29

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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.