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Finding the Fourth Proportional to 523,160.57, 784,814.67 and 168,055.56

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Solution

The fourth proportional to 523,160.57, 784,814.67 and 168,055.56 is: 252,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,160.57 : 784,814.67 = 168,055.56 : x
  2. Step 2: Convert to fraction form
    523,160.57/784,814.67 = 168,055.56/x
  3. Step 3: Cross multiply
    523,160.57x = 784,814.67 × 168,055.56
  4. Step 4: Simplify right side
    523,160.57x = 131,892,468,863.07
  5. Step 5: Solve for x
    x = 131,892,468,863.07/523,160.57
  6. Step 6: Final answer
    x = 252,107.05

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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.