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Finding the Fourth Proportional to 168,225, 252,212.94 and 101,649.54

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Solution

The fourth proportional to 168,225, 252,212.94 and 101,649.54 is: 152,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,225 : 252,212.94 = 101,649.54 : x
  2. Step 2: Convert to fraction form
    168,225/252,212.94 = 101,649.54/x
  3. Step 3: Cross multiply
    168,225x = 252,212.94 × 101,649.54
  4. Step 4: Simplify right side
    168,225x = 25,637,329,333.05
  5. Step 5: Solve for x
    x = 25,637,329,333.05/168,225
  6. Step 6: Final answer
    x = 152,399.04

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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.