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Finding the Fourth Proportional to 252,796.32, 348,859.44 and 139,619.52

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Solution

The fourth proportional to 252,796.32, 348,859.44 and 139,619.52 is: 192,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,796.32 : 348,859.44 = 139,619.52 : x
  2. Step 2: Convert to fraction form
    252,796.32/348,859.44 = 139,619.52/x
  3. Step 3: Cross multiply
    252,796.32x = 348,859.44 × 139,619.52
  4. Step 4: Simplify right side
    252,796.32x = 48,707,587,560.27
  5. Step 5: Solve for x
    x = 48,707,587,560.27/252,796.32
  6. Step 6: Final answer
    x = 192,675.22

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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.