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Finding the Fourth Proportional to 228,657.20, 343,374.60 and 169,559.60

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Solution

The fourth proportional to 228,657.20, 343,374.60 and 169,559.60 is: 254,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,657.20 : 343,374.60 = 169,559.60 : x
  2. Step 2: Convert to fraction form
    228,657.20/343,374.60 = 169,559.60/x
  3. Step 3: Cross multiply
    228,657.20x = 343,374.60 × 169,559.60
  4. Step 4: Simplify right side
    228,657.20x = 58,222,459,826.16
  5. Step 5: Solve for x
    x = 58,222,459,826.16/228,657.20
  6. Step 6: Final answer
    x = 254,627.71

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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.