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Finding the Fourth Proportional to 336,109.20, 504,358.20 and 125,768.40

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Solution

The fourth proportional to 336,109.20, 504,358.20 and 125,768.40 is: 188,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,109.20 : 504,358.20 = 125,768.40 : x
  2. Step 2: Convert to fraction form
    336,109.20/504,358.20 = 125,768.40/x
  3. Step 3: Cross multiply
    336,109.20x = 504,358.20 × 125,768.40
  4. Step 4: Simplify right side
    336,109.20x = 63,432,323,840.88
  5. Step 5: Solve for x
    x = 63,432,323,840.88/336,109.20
  6. Step 6: Final answer
    x = 188,725.34

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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.