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Finding the Fourth Proportional to 274,117.20, 410,916.60 and 161,883.60

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Solution

The fourth proportional to 274,117.20, 410,916.60 and 161,883.60 is: 242,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,117.20 : 410,916.60 = 161,883.60 : x
  2. Step 2: Convert to fraction form
    274,117.20/410,916.60 = 161,883.60/x
  3. Step 3: Cross multiply
    274,117.20x = 410,916.60 × 161,883.60
  4. Step 4: Simplify right side
    274,117.20x = 66,520,658,507.76
  5. Step 5: Solve for x
    x = 66,520,658,507.76/274,117.20
  6. Step 6: Final answer
    x = 242,672.33

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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.