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Finding the Fourth Proportional to 234,383.43, 351,575.32 and 56,890.61

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Solution

The fourth proportional to 234,383.43, 351,575.32 and 56,890.61 is: 85,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,383.43 : 351,575.32 = 56,890.61 : x
  2. Step 2: Convert to fraction form
    234,383.43/351,575.32 = 56,890.61/x
  3. Step 3: Cross multiply
    234,383.43x = 351,575.32 × 56,890.61
  4. Step 4: Simplify right side
    234,383.43x = 20,001,334,415.75
  5. Step 5: Solve for x
    x = 20,001,334,415.75/234,383.43
  6. Step 6: Final answer
    x = 85,335.96

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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.