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Finding the Fourth Proportional to 304,101.18, 419,652.22 and 168,131.61

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Solution

The fourth proportional to 304,101.18, 419,652.22 and 168,131.61 is: 232,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,101.18 : 419,652.22 = 168,131.61 : x
  2. Step 2: Convert to fraction form
    304,101.18/419,652.22 = 168,131.61/x
  3. Step 3: Cross multiply
    304,101.18x = 419,652.22 × 168,131.61
  4. Step 4: Simplify right side
    304,101.18x = 70,556,803,388.67
  5. Step 5: Solve for x
    x = 70,556,803,388.67/304,101.18
  6. Step 6: Final answer
    x = 232,017.53

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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.