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Finding the Fourth Proportional to 93,814.86, 140,721.41 and 40,544.50

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Solution

The fourth proportional to 93,814.86, 140,721.41 and 40,544.50 is: 60,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,814.86 : 140,721.41 = 40,544.50 : x
  2. Step 2: Convert to fraction form
    93,814.86/140,721.41 = 40,544.50/x
  3. Step 3: Cross multiply
    93,814.86x = 140,721.41 × 40,544.50
  4. Step 4: Simplify right side
    93,814.86x = 5,705,479,207.75
  5. Step 5: Solve for x
    x = 5,705,479,207.75/93,814.86
  6. Step 6: Final answer
    x = 60,816.37

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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.