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Finding the Fourth Proportional to 79,876.46, 119,811.96 and 32,477.51

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Solution

The fourth proportional to 79,876.46, 119,811.96 and 32,477.51 is: 48,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,876.46 : 119,811.96 = 32,477.51 : x
  2. Step 2: Convert to fraction form
    79,876.46/119,811.96 = 32,477.51/x
  3. Step 3: Cross multiply
    79,876.46x = 119,811.96 × 32,477.51
  4. Step 4: Simplify right side
    79,876.46x = 3,891,193,529.96
  5. Step 5: Solve for x
    x = 3,891,193,529.96/79,876.46
  6. Step 6: Final answer
    x = 48,715.15

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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.