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Finding the Fourth Proportional to 79,909.37, 119,832.72 and 29,962.24

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Solution

The fourth proportional to 79,909.37, 119,832.72 and 29,962.24 is: 44,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,909.37 : 119,832.72 = 29,962.24 : x
  2. Step 2: Convert to fraction form
    79,909.37/119,832.72 = 29,962.24/x
  3. Step 3: Cross multiply
    79,909.37x = 119,832.72 × 29,962.24
  4. Step 4: Simplify right side
    79,909.37x = 3,590,456,716.49
  5. Step 5: Solve for x
    x = 3,590,456,716.49/79,909.37
  6. Step 6: Final answer
    x = 44,931.61

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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.