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Finding the Fourth Proportional to 252,889.56, 348,996.06 and 139,718.52

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Solution

The fourth proportional to 252,889.56, 348,996.06 and 139,718.52 is: 192,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,889.56 : 348,996.06 = 139,718.52 : x
  2. Step 2: Convert to fraction form
    252,889.56/348,996.06 = 139,718.52/x
  3. Step 3: Cross multiply
    252,889.56x = 348,996.06 × 139,718.52
  4. Step 4: Simplify right side
    252,889.56x = 48,761,212,989.03
  5. Step 5: Solve for x
    x = 48,761,212,989.03/252,889.56
  6. Step 6: Final answer
    x = 192,816.24

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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.