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Finding the Fourth Proportional to 234,313.23, 351,397.11 and 84,534

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Solution

The fourth proportional to 234,313.23, 351,397.11 and 84,534 is: 126,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,313.23 : 351,397.11 = 84,534 : x
  2. Step 2: Convert to fraction form
    234,313.23/351,397.11 = 84,534/x
  3. Step 3: Cross multiply
    234,313.23x = 351,397.11 × 84,534
  4. Step 4: Simplify right side
    234,313.23x = 29,705,003,296.74
  5. Step 5: Solve for x
    x = 29,705,003,296.74/234,313.23
  6. Step 6: Final answer
    x = 126,774.76

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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.