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Finding the Fourth Proportional to 302,553.88, 454,072.74 and 136,354.84

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Solution

The fourth proportional to 302,553.88, 454,072.74 and 136,354.84 is: 204,641.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,553.88 : 454,072.74 = 136,354.84 : x
  2. Step 2: Convert to fraction form
    302,553.88/454,072.74 = 136,354.84/x
  3. Step 3: Cross multiply
    302,553.88x = 454,072.74 × 136,354.84
  4. Step 4: Simplify right side
    302,553.88x = 61,915,015,811.06
  5. Step 5: Solve for x
    x = 61,915,015,811.06/302,553.88
  6. Step 6: Final answer
    x = 204,641.29

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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.