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Finding the Fourth Proportional to 253,959.44, 350,467.97 and 139,248.54

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Solution

The fourth proportional to 253,959.44, 350,467.97 and 139,248.54 is: 192,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,959.44 : 350,467.97 = 139,248.54 : x
  2. Step 2: Convert to fraction form
    253,959.44/350,467.97 = 139,248.54/x
  3. Step 3: Cross multiply
    253,959.44x = 350,467.97 × 139,248.54
  4. Step 4: Simplify right side
    253,959.44x = 48,802,152,443.02
  5. Step 5: Solve for x
    x = 48,802,152,443.02/253,959.44
  6. Step 6: Final answer
    x = 192,165.15

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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.