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Finding the Fourth Proportional to 168,719.28, 253,096.20 and 63,626.64

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Solution

The fourth proportional to 168,719.28, 253,096.20 and 63,626.64 is: 95,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,719.28 : 253,096.20 = 63,626.64 : x
  2. Step 2: Convert to fraction form
    168,719.28/253,096.20 = 63,626.64/x
  3. Step 3: Cross multiply
    168,719.28x = 253,096.20 × 63,626.64
  4. Step 4: Simplify right side
    168,719.28x = 16,103,660,802.77
  5. Step 5: Solve for x
    x = 16,103,660,802.77/168,719.28
  6. Step 6: Final answer
    x = 95,446.48

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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.