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Finding the Fourth Proportional to 336,380.02, 504,639.24 and 136,699.96

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Solution

The fourth proportional to 336,380.02, 504,639.24 and 136,699.96 is: 205,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,380.02 : 504,639.24 = 136,699.96 : x
  2. Step 2: Convert to fraction form
    336,380.02/504,639.24 = 136,699.96/x
  3. Step 3: Cross multiply
    336,380.02x = 504,639.24 × 136,699.96
  4. Step 4: Simplify right side
    336,380.02x = 68,984,163,922.43
  5. Step 5: Solve for x
    x = 68,984,163,922.43/336,380.02
  6. Step 6: Final answer
    x = 205,078.07

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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.