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Finding the Fourth Proportional to 225,908.48, 338,682.89 and 111,976.11

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Solution

The fourth proportional to 225,908.48, 338,682.89 and 111,976.11 is: 167,875.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,908.48 : 338,682.89 = 111,976.11 : x
  2. Step 2: Convert to fraction form
    225,908.48/338,682.89 = 111,976.11/x
  3. Step 3: Cross multiply
    225,908.48x = 338,682.89 × 111,976.11
  4. Step 4: Simplify right side
    225,908.48x = 37,924,390,852.34
  5. Step 5: Solve for x
    x = 37,924,390,852.34/225,908.48
  6. Step 6: Final answer
    x = 167,875.02

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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.