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Finding the Fourth Proportional to 234,998.40, 351,914.40 and 188,342.40

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Solution

The fourth proportional to 234,998.40, 351,914.40 and 188,342.40 is: 282,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,998.40 : 351,914.40 = 188,342.40 : x
  2. Step 2: Convert to fraction form
    234,998.40/351,914.40 = 188,342.40/x
  3. Step 3: Cross multiply
    234,998.40x = 351,914.40 × 188,342.40
  4. Step 4: Simplify right side
    234,998.40x = 66,280,402,690.56
  5. Step 5: Solve for x
    x = 66,280,402,690.56/234,998.40
  6. Step 6: Final answer
    x = 282,046.19

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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.