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Finding the Fourth Proportional to 523,169.55, 784,828.17 and 168,064.56

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Solution

The fourth proportional to 523,169.55, 784,828.17 and 168,064.56 is: 252,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,169.55 : 784,828.17 = 168,064.56 : x
  2. Step 2: Convert to fraction form
    523,169.55/784,828.17 = 168,064.56/x
  3. Step 3: Cross multiply
    523,169.55x = 784,828.17 × 168,064.56
  4. Step 4: Simplify right side
    523,169.55x = 131,901,801,066.66
  5. Step 5: Solve for x
    x = 131,901,801,066.66/523,169.55
  6. Step 6: Final answer
    x = 252,120.56

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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.