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Finding the Fourth Proportional to 352,845.63, 529,101.63 and 136,805.45

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Solution

The fourth proportional to 352,845.63, 529,101.63 and 136,805.45 is: 205,143.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,845.63 : 529,101.63 = 136,805.45 : x
  2. Step 2: Convert to fraction form
    352,845.63/529,101.63 = 136,805.45/x
  3. Step 3: Cross multiply
    352,845.63x = 529,101.63 × 136,805.45
  4. Step 4: Simplify right side
    352,845.63x = 72,383,983,942.38
  5. Step 5: Solve for x
    x = 72,383,983,942.38/352,845.63
  6. Step 6: Final answer
    x = 205,143.49

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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.