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Finding the Fourth Proportional to 336,083.15, 504,334.88 and 136,403.51

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Solution

The fourth proportional to 336,083.15, 504,334.88 and 136,403.51 is: 204,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,083.15 : 504,334.88 = 136,403.51 : x
  2. Step 2: Convert to fraction form
    336,083.15/504,334.88 = 136,403.51/x
  3. Step 3: Cross multiply
    336,083.15x = 504,334.88 × 136,403.51
  4. Step 4: Simplify right side
    336,083.15x = 68,793,049,449.27
  5. Step 5: Solve for x
    x = 68,793,049,449.27/336,083.15
  6. Step 6: Final answer
    x = 204,690.56

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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.