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Finding the Fourth Proportional to 225,735.40, 338,364.36 and 83,489.26

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Solution

The fourth proportional to 225,735.40, 338,364.36 and 83,489.26 is: 125,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,735.40 : 338,364.36 = 83,489.26 : x
  2. Step 2: Convert to fraction form
    225,735.40/338,364.36 = 83,489.26/x
  3. Step 3: Cross multiply
    225,735.40x = 338,364.36 × 83,489.26
  4. Step 4: Simplify right side
    225,735.40x = 28,249,790,026.77
  5. Step 5: Solve for x
    x = 28,249,790,026.77/225,735.40
  6. Step 6: Final answer
    x = 125,145.59

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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.