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Finding the Fourth Proportional to 117,467.87, 176,200.23 and 28,722.14

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Solution

The fourth proportional to 117,467.87, 176,200.23 and 28,722.14 is: 43,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467.87 : 176,200.23 = 28,722.14 : x
  2. Step 2: Convert to fraction form
    117,467.87/176,200.23 = 28,722.14/x
  3. Step 3: Cross multiply
    117,467.87x = 176,200.23 × 28,722.14
  4. Step 4: Simplify right side
    117,467.87x = 5,060,847,674.09
  5. Step 5: Solve for x
    x = 5,060,847,674.09/117,467.87
  6. Step 6: Final answer
    x = 43,082.82

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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.