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Finding the Fourth Proportional to 232,687.92, 349,556.76 and 139,259.28

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Solution

The fourth proportional to 232,687.92, 349,556.76 and 139,259.28 is: 209,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,687.92 : 349,556.76 = 139,259.28 : x
  2. Step 2: Convert to fraction form
    232,687.92/349,556.76 = 139,259.28/x
  3. Step 3: Cross multiply
    232,687.92x = 349,556.76 × 139,259.28
  4. Step 4: Simplify right side
    232,687.92x = 48,679,022,716.73
  5. Step 5: Solve for x
    x = 48,679,022,716.73/232,687.92
  6. Step 6: Final answer
    x = 209,203.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.