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Finding the Fourth Proportional to 324,166.44, 486,298.14 and 113,767.40

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Solution

The fourth proportional to 324,166.44, 486,298.14 and 113,767.40 is: 170,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,166.44 : 486,298.14 = 113,767.40 : x
  2. Step 2: Convert to fraction form
    324,166.44/486,298.14 = 113,767.40/x
  3. Step 3: Cross multiply
    324,166.44x = 486,298.14 × 113,767.40
  4. Step 4: Simplify right side
    324,166.44x = 55,324,875,012.64
  5. Step 5: Solve for x
    x = 55,324,875,012.64/324,166.44
  6. Step 6: Final answer
    x = 170,668.11

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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.