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Finding the Fourth Proportional to 104,633.54, 156,933.54 and 45,453.32

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Solution

The fourth proportional to 104,633.54, 156,933.54 and 45,453.32 is: 68,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,633.54 : 156,933.54 = 45,453.32 : x
  2. Step 2: Convert to fraction form
    104,633.54/156,933.54 = 45,453.32/x
  3. Step 3: Cross multiply
    104,633.54x = 156,933.54 × 45,453.32
  4. Step 4: Simplify right side
    104,633.54x = 7,133,150,412.35
  5. Step 5: Solve for x
    x = 7,133,150,412.35/104,633.54
  6. Step 6: Final answer
    x = 68,172.70

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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.