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Finding the Fourth Proportional to 183,937.60, 275,906.40 and 73,129.60

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Solution

The fourth proportional to 183,937.60, 275,906.40 and 73,129.60 is: 109,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,937.60 : 275,906.40 = 73,129.60 : x
  2. Step 2: Convert to fraction form
    183,937.60/275,906.40 = 73,129.60/x
  3. Step 3: Cross multiply
    183,937.60x = 275,906.40 × 73,129.60
  4. Step 4: Simplify right side
    183,937.60x = 20,176,924,669.44
  5. Step 5: Solve for x
    x = 20,176,924,669.44/183,937.60
  6. Step 6: Final answer
    x = 109,694.40

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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.