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Finding the Fourth Proportional to 234,188.79, 351,243.23 and 84,399.27

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Solution

The fourth proportional to 234,188.79, 351,243.23 and 84,399.27 is: 126,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,188.79 : 351,243.23 = 84,399.27 : x
  2. Step 2: Convert to fraction form
    234,188.79/351,243.23 = 84,399.27/x
  3. Step 3: Cross multiply
    234,188.79x = 351,243.23 × 84,399.27
  4. Step 4: Simplify right side
    234,188.79x = 29,644,671,782.45
  5. Step 5: Solve for x
    x = 29,644,671,782.45/234,188.79
  6. Step 6: Final answer
    x = 126,584.50

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1.5x scale

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.