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Finding the Fourth Proportional to 178,503.03, 267,743.60 and 73,319.27

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Solution

The fourth proportional to 178,503.03, 267,743.60 and 73,319.27 is: 109,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,503.03 : 267,743.60 = 73,319.27 : x
  2. Step 2: Convert to fraction form
    178,503.03/267,743.60 = 73,319.27/x
  3. Step 3: Cross multiply
    178,503.03x = 267,743.60 × 73,319.27
  4. Step 4: Simplify right side
    178,503.03x = 19,630,763,593.86
  5. Step 5: Solve for x
    x = 19,630,763,593.86/178,503.03
  6. Step 6: Final answer
    x = 109,974.40

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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.