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Finding the Fourth Proportional to 79,903.32, 119,823.84 and 29,956.17

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Solution

The fourth proportional to 79,903.32, 119,823.84 and 29,956.17 is: 44,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.32 : 119,823.84 = 29,956.17 : x
  2. Step 2: Convert to fraction form
    79,903.32/119,823.84 = 29,956.17/x
  3. Step 3: Cross multiply
    79,903.32x = 119,823.84 × 29,956.17
  4. Step 4: Simplify right side
    79,903.32x = 3,589,463,321.09
  5. Step 5: Solve for x
    x = 3,589,463,321.09/79,903.32
  6. Step 6: Final answer
    x = 44,922.58

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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.