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Finding the Fourth Proportional to 99,992.37, 150,051.44 and 72,924.15

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Solution

The fourth proportional to 99,992.37, 150,051.44 and 72,924.15 is: 109,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,992.37 : 150,051.44 = 72,924.15 : x
  2. Step 2: Convert to fraction form
    99,992.37/150,051.44 = 72,924.15/x
  3. Step 3: Cross multiply
    99,992.37x = 150,051.44 × 72,924.15
  4. Step 4: Simplify right side
    99,992.37x = 10,942,373,209.04
  5. Step 5: Solve for x
    x = 10,942,373,209.04/99,992.37
  6. Step 6: Final answer
    x = 109,432.08

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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.