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Finding the Fourth Proportional to 365,708.51, 548,426.34 and 125,754.54

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Solution

The fourth proportional to 365,708.51, 548,426.34 and 125,754.54 is: 188,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,708.51 : 548,426.34 = 125,754.54 : x
  2. Step 2: Convert to fraction form
    365,708.51/548,426.34 = 125,754.54/x
  3. Step 3: Cross multiply
    365,708.51x = 548,426.34 × 125,754.54
  4. Step 4: Simplify right side
    365,708.51x = 68,967,100,053.98
  5. Step 5: Solve for x
    x = 68,967,100,053.98/365,708.51
  6. Step 6: Final answer
    x = 188,584.89

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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.