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Finding the Fourth Proportional to 93,321.86, 140,040.86 and 37,917.86

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Solution

The fourth proportional to 93,321.86, 140,040.86 and 37,917.86 is: 56,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,321.86 : 140,040.86 = 37,917.86 : x
  2. Step 2: Convert to fraction form
    93,321.86/140,040.86 = 37,917.86/x
  3. Step 3: Cross multiply
    93,321.86x = 140,040.86 × 37,917.86
  4. Step 4: Simplify right side
    93,321.86x = 5,310,049,723.76
  5. Step 5: Solve for x
    x = 5,310,049,723.76/93,321.86
  6. Step 6: Final answer
    x = 56,900.38

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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.