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Finding the Fourth Proportional to 234,346.48, 351,447 and 84,567.36

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Solution

The fourth proportional to 234,346.48, 351,447 and 84,567.36 is: 126,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,346.48 : 351,447 = 84,567.36 : x
  2. Step 2: Convert to fraction form
    234,346.48/351,447 = 84,567.36/x
  3. Step 3: Cross multiply
    234,346.48x = 351,447 × 84,567.36
  4. Step 4: Simplify right side
    234,346.48x = 29,720,944,969.92
  5. Step 5: Solve for x
    x = 29,720,944,969.92/234,346.48
  6. Step 6: Final answer
    x = 126,824.80

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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.