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Finding the Fourth Proportional to 265,048.56, 397,659.24 and 124,821.36

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Solution

The fourth proportional to 265,048.56, 397,659.24 and 124,821.36 is: 187,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,048.56 : 397,659.24 = 124,821.36 : x
  2. Step 2: Convert to fraction form
    265,048.56/397,659.24 = 124,821.36/x
  3. Step 3: Cross multiply
    265,048.56x = 397,659.24 × 124,821.36
  4. Step 4: Simplify right side
    265,048.56x = 49,636,367,153.37
  5. Step 5: Solve for x
    x = 49,636,367,153.37/265,048.56
  6. Step 6: Final answer
    x = 187,272.73

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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.