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Finding the Fourth Proportional to 225,048.90, 337,739.26 and 106,720.58

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Solution

The fourth proportional to 225,048.90, 337,739.26 and 106,720.58 is: 160,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,048.90 : 337,739.26 = 106,720.58 : x
  2. Step 2: Convert to fraction form
    225,048.90/337,739.26 = 106,720.58/x
  3. Step 3: Cross multiply
    225,048.90x = 337,739.26 × 106,720.58
  4. Step 4: Simplify right side
    225,048.90x = 36,043,729,715.97
  5. Step 5: Solve for x
    x = 36,043,729,715.97/225,048.90
  6. Step 6: Final answer
    x = 160,159.55

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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.