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Finding the Fourth Proportional to 234,073.28, 350,899.08 and 84,208.20

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Solution

The fourth proportional to 234,073.28, 350,899.08 and 84,208.20 is: 126,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,073.28 : 350,899.08 = 84,208.20 : x
  2. Step 2: Convert to fraction form
    234,073.28/350,899.08 = 84,208.20/x
  3. Step 3: Cross multiply
    234,073.28x = 350,899.08 × 84,208.20
  4. Step 4: Simplify right side
    234,073.28x = 29,548,579,908.46
  5. Step 5: Solve for x
    x = 29,548,579,908.46/234,073.28
  6. Step 6: Final answer
    x = 126,236.45

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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.