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Finding the Fourth Proportional to 183,348.80, 274,984.80 and 89,921.60

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Solution

The fourth proportional to 183,348.80, 274,984.80 and 89,921.60 is: 134,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,348.80 : 274,984.80 = 89,921.60 : x
  2. Step 2: Convert to fraction form
    183,348.80/274,984.80 = 89,921.60/x
  3. Step 3: Cross multiply
    183,348.80x = 274,984.80 × 89,921.60
  4. Step 4: Simplify right side
    183,348.80x = 24,727,073,191.68
  5. Step 5: Solve for x
    x = 24,727,073,191.68/183,348.80
  6. Step 6: Final answer
    x = 134,863.57

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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.