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Finding the Fourth Proportional to 567,428.53, 851,267.39 and 168,100.57

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Solution

The fourth proportional to 567,428.53, 851,267.39 and 168,100.57 is: 252,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,428.53 : 851,267.39 = 168,100.57 : x
  2. Step 2: Convert to fraction form
    567,428.53/851,267.39 = 168,100.57/x
  3. Step 3: Cross multiply
    567,428.53x = 851,267.39 × 168,100.57
  4. Step 4: Simplify right side
    567,428.53x = 143,098,533,481.41
  5. Step 5: Solve for x
    x = 143,098,533,481.41/567,428.53
  6. Step 6: Final answer
    x = 252,187.77

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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.