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Finding the Fourth Proportional to 199,484.48, 275,324.20 and 118,917.20

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Solution

The fourth proportional to 199,484.48, 275,324.20 and 118,917.20 is: 164,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,484.48 : 275,324.20 = 118,917.20 : x
  2. Step 2: Convert to fraction form
    199,484.48/275,324.20 = 118,917.20/x
  3. Step 3: Cross multiply
    199,484.48x = 275,324.20 × 118,917.20
  4. Step 4: Simplify right side
    199,484.48x = 32,740,782,956.24
  5. Step 5: Solve for x
    x = 32,740,782,956.24/199,484.48
  6. Step 6: Final answer
    x = 164,126.97

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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.