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Finding the Fourth Proportional to 178,383.60, 267,186.60 and 147,279.60

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Solution

The fourth proportional to 178,383.60, 267,186.60 and 147,279.60 is: 220,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,383.60 : 267,186.60 = 147,279.60 : x
  2. Step 2: Convert to fraction form
    178,383.60/267,186.60 = 147,279.60/x
  3. Step 3: Cross multiply
    178,383.60x = 267,186.60 × 147,279.60
  4. Step 4: Simplify right side
    178,383.60x = 39,351,135,573.36
  5. Step 5: Solve for x
    x = 39,351,135,573.36/178,383.60
  6. Step 6: Final answer
    x = 220,598.39

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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.