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Finding the Fourth Proportional to 104,491.91, 156,764.37 and 48,372.50

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Solution

The fourth proportional to 104,491.91, 156,764.37 and 48,372.50 is: 72,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,491.91 : 156,764.37 = 48,372.50 : x
  2. Step 2: Convert to fraction form
    104,491.91/156,764.37 = 48,372.50/x
  3. Step 3: Cross multiply
    104,491.91x = 156,764.37 × 48,372.50
  4. Step 4: Simplify right side
    104,491.91x = 7,583,084,487.83
  5. Step 5: Solve for x
    x = 7,583,084,487.83/104,491.91
  6. Step 6: Final answer
    x = 72,571.02

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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.