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Finding the Fourth Proportional to 168,294.70, 252,101.85 and 104,920.30

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Solution

The fourth proportional to 168,294.70, 252,101.85 and 104,920.30 is: 157,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,294.70 : 252,101.85 = 104,920.30 : x
  2. Step 2: Convert to fraction form
    168,294.70/252,101.85 = 104,920.30/x
  3. Step 3: Cross multiply
    168,294.70x = 252,101.85 × 104,920.30
  4. Step 4: Simplify right side
    168,294.70x = 26,450,601,732.56
  5. Step 5: Solve for x
    x = 26,450,601,732.56/168,294.70
  6. Step 6: Final answer
    x = 157,168.36

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1.5x scale

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.