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Finding the Fourth Proportional to 262,441.92, 393,725.35 and 84,948.92

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Solution

The fourth proportional to 262,441.92, 393,725.35 and 84,948.92 is: 127,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441.92 : 393,725.35 = 84,948.92 : x
  2. Step 2: Convert to fraction form
    262,441.92/393,725.35 = 84,948.92/x
  3. Step 3: Cross multiply
    262,441.92x = 393,725.35 × 84,948.92
  4. Step 4: Simplify right side
    262,441.92x = 33,446,541,078.12
  5. Step 5: Solve for x
    x = 33,446,541,078.12/262,441.92
  6. Step 6: Final answer
    x = 127,443.59

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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.