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Finding the Fourth Proportional to 199,481.48, 275,320.05 and 118,914.14

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Solution

The fourth proportional to 199,481.48, 275,320.05 and 118,914.14 is: 164,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,481.48 : 275,320.05 = 118,914.14 : x
  2. Step 2: Convert to fraction form
    199,481.48/275,320.05 = 118,914.14/x
  3. Step 3: Cross multiply
    199,481.48x = 275,320.05 × 118,914.14
  4. Step 4: Simplify right side
    199,481.48x = 32,739,446,970.51
  5. Step 5: Solve for x
    x = 32,739,446,970.51/199,481.48
  6. Step 6: Final answer
    x = 164,122.74

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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.