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Finding the Fourth Proportional to 336,842.62, 504,825.15 and 136,929.49

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Solution

The fourth proportional to 336,842.62, 504,825.15 and 136,929.49 is: 205,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,842.62 : 504,825.15 = 136,929.49 : x
  2. Step 2: Convert to fraction form
    336,842.62/504,825.15 = 136,929.49/x
  3. Step 3: Cross multiply
    336,842.62x = 504,825.15 × 136,929.49
  4. Step 4: Simplify right side
    336,842.62x = 69,125,450,328.67
  5. Step 5: Solve for x
    x = 69,125,450,328.67/336,842.62
  6. Step 6: Final answer
    x = 205,215.87

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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.