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Finding the Fourth Proportional to 234,465.96, 351,128.70 and 109,842.60

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Solution

The fourth proportional to 234,465.96, 351,128.70 and 109,842.60 is: 164,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,465.96 : 351,128.70 = 109,842.60 : x
  2. Step 2: Convert to fraction form
    234,465.96/351,128.70 = 109,842.60/x
  3. Step 3: Cross multiply
    234,465.96x = 351,128.70 × 109,842.60
  4. Step 4: Simplify right side
    234,465.96x = 38,568,889,342.62
  5. Step 5: Solve for x
    x = 38,568,889,342.62/234,465.96
  6. Step 6: Final answer
    x = 164,496.75

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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.