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Finding the Fourth Proportional to 325,344.60, 488,096.90 and 112,115.80

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Solution

The fourth proportional to 325,344.60, 488,096.90 and 112,115.80 is: 168,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,344.60 : 488,096.90 = 112,115.80 : x
  2. Step 2: Convert to fraction form
    325,344.60/488,096.90 = 112,115.80/x
  3. Step 3: Cross multiply
    325,344.60x = 488,096.90 × 112,115.80
  4. Step 4: Simplify right side
    325,344.60x = 54,723,374,421.02
  5. Step 5: Solve for x
    x = 54,723,374,421.02/325,344.60
  6. Step 6: Final answer
    x = 168,201.27

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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.