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Finding the Fourth Proportional to 234,066.56, 351,016.81 and 84,266.63

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Solution

The fourth proportional to 234,066.56, 351,016.81 and 84,266.63 is: 126,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,066.56 : 351,016.81 = 84,266.63 : x
  2. Step 2: Convert to fraction form
    234,066.56/351,016.81 = 84,266.63/x
  3. Step 3: Cross multiply
    234,066.56x = 351,016.81 × 84,266.63
  4. Step 4: Simplify right side
    234,066.56x = 29,579,003,002.61
  5. Step 5: Solve for x
    x = 29,579,003,002.61/234,066.56
  6. Step 6: Final answer
    x = 126,370.05

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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.