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Finding the Fourth Proportional to 324,164.60, 486,101.10 and 124,418.60

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Solution

The fourth proportional to 324,164.60, 486,101.10 and 124,418.60 is: 186,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,164.60 : 486,101.10 = 124,418.60 : x
  2. Step 2: Convert to fraction form
    324,164.60/486,101.10 = 124,418.60/x
  3. Step 3: Cross multiply
    324,164.60x = 486,101.10 × 124,418.60
  4. Step 4: Simplify right side
    324,164.60x = 60,480,018,320.46
  5. Step 5: Solve for x
    x = 60,480,018,320.46/324,164.60
  6. Step 6: Final answer
    x = 186,571.94

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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.