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Finding the Fourth Proportional to 204,735.70, 307,103.55 and 125,894.35

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Solution

The fourth proportional to 204,735.70, 307,103.55 and 125,894.35 is: 188,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,735.70 : 307,103.55 = 125,894.35 : x
  2. Step 2: Convert to fraction form
    204,735.70/307,103.55 = 125,894.35/x
  3. Step 3: Cross multiply
    204,735.70x = 307,103.55 × 125,894.35
  4. Step 4: Simplify right side
    204,735.70x = 38,662,601,809.94
  5. Step 5: Solve for x
    x = 38,662,601,809.94/204,735.70
  6. Step 6: Final answer
    x = 188,841.53

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1.5x scale

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.