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Finding the Fourth Proportional to 274,802.55, 412,203.83 and 168,514.35

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Solution

The fourth proportional to 274,802.55, 412,203.83 and 168,514.35 is: 252,771.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,802.55 : 412,203.83 = 168,514.35 : x
  2. Step 2: Convert to fraction form
    274,802.55/412,203.83 = 168,514.35/x
  3. Step 3: Cross multiply
    274,802.55x = 412,203.83 × 168,514.35
  4. Step 4: Simplify right side
    274,802.55x = 69,462,259,637.39
  5. Step 5: Solve for x
    x = 69,462,259,637.39/274,802.55
  6. Step 6: Final answer
    x = 252,771.53

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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.