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Finding the Fourth Proportional to 234,471.88, 323,528.59 and 131,107.94

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Solution

The fourth proportional to 234,471.88, 323,528.59 and 131,107.94 is: 180,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,471.88 : 323,528.59 = 131,107.94 : x
  2. Step 2: Convert to fraction form
    234,471.88/323,528.59 = 131,107.94/x
  3. Step 3: Cross multiply
    234,471.88x = 323,528.59 × 131,107.94
  4. Step 4: Simplify right side
    234,471.88x = 42,417,164,942.78
  5. Step 5: Solve for x
    x = 42,417,164,942.78/234,471.88
  6. Step 6: Final answer
    x = 180,905.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.