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Finding the Fourth Proportional to 93,670.60, 140,214.30 and 54,110.20

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Solution

The fourth proportional to 93,670.60, 140,214.30 and 54,110.20 is: 80,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670.60 : 140,214.30 = 54,110.20 : x
  2. Step 2: Convert to fraction form
    93,670.60/140,214.30 = 54,110.20/x
  3. Step 3: Cross multiply
    93,670.60x = 140,214.30 × 54,110.20
  4. Step 4: Simplify right side
    93,670.60x = 7,587,023,815.86
  5. Step 5: Solve for x
    x = 7,587,023,815.86/93,670.60
  6. Step 6: Final answer
    x = 80,996.85

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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.