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Finding the Fourth Proportional to 234,563.96, 351,846.20 and 57,070.96

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Solution

The fourth proportional to 234,563.96, 351,846.20 and 57,070.96 is: 85,606.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,563.96 : 351,846.20 = 57,070.96 : x
  2. Step 2: Convert to fraction form
    234,563.96/351,846.20 = 57,070.96/x
  3. Step 3: Cross multiply
    234,563.96x = 351,846.20 × 57,070.96
  4. Step 4: Simplify right side
    234,563.96x = 20,080,200,406.35
  5. Step 5: Solve for x
    x = 20,080,200,406.35/234,563.96
  6. Step 6: Final answer
    x = 85,606.50

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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.