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Finding the Fourth Proportional to 234,643.96, 323,806.71 and 132,689.44

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Solution

The fourth proportional to 234,643.96, 323,806.71 and 132,689.44 is: 183,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,643.96 : 323,806.71 = 132,689.44 : x
  2. Step 2: Convert to fraction form
    234,643.96/323,806.71 = 132,689.44/x
  3. Step 3: Cross multiply
    234,643.96x = 323,806.71 × 132,689.44
  4. Step 4: Simplify right side
    234,643.96x = 42,965,731,920.49
  5. Step 5: Solve for x
    x = 42,965,731,920.49/234,643.96
  6. Step 6: Final answer
    x = 183,110.32

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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.