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Finding the Fourth Proportional to 324,165.60, 486,102.60 and 124,419.60

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Solution

The fourth proportional to 324,165.60, 486,102.60 and 124,419.60 is: 186,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,165.60 : 486,102.60 = 124,419.60 : x
  2. Step 2: Convert to fraction form
    324,165.60/486,102.60 = 124,419.60/x
  3. Step 3: Cross multiply
    324,165.60x = 486,102.60 × 124,419.60
  4. Step 4: Simplify right side
    324,165.60x = 60,480,691,050.96
  5. Step 5: Solve for x
    x = 60,480,691,050.96/324,165.60
  6. Step 6: Final answer
    x = 186,573.44

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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.