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Finding the Fourth Proportional to 110,814.80, 166,279.80 and 48,491.60

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Solution

The fourth proportional to 110,814.80, 166,279.80 and 48,491.60 is: 72,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,814.80 : 166,279.80 = 48,491.60 : x
  2. Step 2: Convert to fraction form
    110,814.80/166,279.80 = 48,491.60/x
  3. Step 3: Cross multiply
    110,814.80x = 166,279.80 × 48,491.60
  4. Step 4: Simplify right side
    110,814.80x = 8,063,173,549.68
  5. Step 5: Solve for x
    x = 8,063,173,549.68/110,814.80
  6. Step 6: Final answer
    x = 72,762.61

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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.