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Finding the Fourth Proportional to 234,354.04, 351,590.94 and 68,142.04

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Solution

The fourth proportional to 234,354.04, 351,590.94 and 68,142.04 is: 102,230.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,354.04 : 351,590.94 = 68,142.04 : x
  2. Step 2: Convert to fraction form
    234,354.04/351,590.94 = 68,142.04/x
  3. Step 3: Cross multiply
    234,354.04x = 351,590.94 × 68,142.04
  4. Step 4: Simplify right side
    234,354.04x = 23,958,123,897.12
  5. Step 5: Solve for x
    x = 23,958,123,897.12/234,354.04
  6. Step 6: Final answer
    x = 102,230.47

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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.