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Finding the Fourth Proportional to 169,740.63, 254,666.22 and 80,982.65

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Solution

The fourth proportional to 169,740.63, 254,666.22 and 80,982.65 is: 121,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,740.63 : 254,666.22 = 80,982.65 : x
  2. Step 2: Convert to fraction form
    169,740.63/254,666.22 = 80,982.65/x
  3. Step 3: Cross multiply
    169,740.63x = 254,666.22 × 80,982.65
  4. Step 4: Simplify right side
    169,740.63x = 20,623,544,087.75
  5. Step 5: Solve for x
    x = 20,623,544,087.75/169,740.63
  6. Step 6: Final answer
    x = 121,500.34

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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.