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Finding the Fourth Proportional to 99,992.52, 150,051.42 and 53,276.04

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Solution

The fourth proportional to 99,992.52, 150,051.42 and 53,276.04 is: 79,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,992.52 : 150,051.42 = 53,276.04 : x
  2. Step 2: Convert to fraction form
    99,992.52/150,051.42 = 53,276.04/x
  3. Step 3: Cross multiply
    99,992.52x = 150,051.42 × 53,276.04
  4. Step 4: Simplify right side
    99,992.52x = 7,994,145,453.98
  5. Step 5: Solve for x
    x = 7,994,145,453.98/99,992.52
  6. Step 6: Final answer
    x = 79,947.43

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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.