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Finding the Fourth Proportional to 146,704, 202,453.96 and 79,636

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Solution

The fourth proportional to 146,704, 202,453.96 and 79,636 is: 109,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,704 : 202,453.96 = 79,636 : x
  2. Step 2: Convert to fraction form
    146,704/202,453.96 = 79,636/x
  3. Step 3: Cross multiply
    146,704x = 202,453.96 × 79,636
  4. Step 4: Simplify right side
    146,704x = 16,122,623,558.56
  5. Step 5: Solve for x
    x = 16,122,623,558.56/146,704
  6. Step 6: Final answer
    x = 109,899.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.