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Finding the Fourth Proportional to 234,133.56, 351,090.84 and 84,354.12

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Solution

The fourth proportional to 234,133.56, 351,090.84 and 84,354.12 is: 126,491.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,133.56 : 351,090.84 = 84,354.12 : x
  2. Step 2: Convert to fraction form
    234,133.56/351,090.84 = 84,354.12/x
  3. Step 3: Cross multiply
    234,133.56x = 351,090.84 × 84,354.12
  4. Step 4: Simplify right side
    234,133.56x = 29,615,958,848.26
  5. Step 5: Solve for x
    x = 29,615,958,848.26/234,133.56
  6. Step 6: Final answer
    x = 126,491.73

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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.