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Finding the Fourth Proportional to 167,294.96, 250,788.42 and 72,465.56

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Solution

The fourth proportional to 167,294.96, 250,788.42 and 72,465.56 is: 108,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,294.96 : 250,788.42 = 72,465.56 : x
  2. Step 2: Convert to fraction form
    167,294.96/250,788.42 = 72,465.56/x
  3. Step 3: Cross multiply
    167,294.96x = 250,788.42 × 72,465.56
  4. Step 4: Simplify right side
    167,294.96x = 18,173,523,296.82
  5. Step 5: Solve for x
    x = 18,173,523,296.82/167,294.96
  6. Step 6: Final answer
    x = 108,631.62

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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.