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Finding the Fourth Proportional to 93,714.80, 140,620.80 and 41,129.60

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Solution

The fourth proportional to 93,714.80, 140,620.80 and 41,129.60 is: 61,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,714.80 : 140,620.80 = 41,129.60 : x
  2. Step 2: Convert to fraction form
    93,714.80/140,620.80 = 41,129.60/x
  3. Step 3: Cross multiply
    93,714.80x = 140,620.80 × 41,129.60
  4. Step 4: Simplify right side
    93,714.80x = 5,783,677,255.68
  5. Step 5: Solve for x
    x = 5,783,677,255.68/93,714.80
  6. Step 6: Final answer
    x = 61,715.73

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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.