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Finding the Fourth Proportional to 168,047.97, 251,984.48 and 49,703.34

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Solution

The fourth proportional to 168,047.97, 251,984.48 and 49,703.34 is: 74,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,047.97 : 251,984.48 = 49,703.34 : x
  2. Step 2: Convert to fraction form
    168,047.97/251,984.48 = 49,703.34/x
  3. Step 3: Cross multiply
    168,047.97x = 251,984.48 × 49,703.34
  4. Step 4: Simplify right side
    168,047.97x = 12,524,470,035.65
  5. Step 5: Solve for x
    x = 12,524,470,035.65/168,047.97
  6. Step 6: Final answer
    x = 74,529.14

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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.