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Finding the Fourth Proportional to 163,874.76, 245,836.32 and 83,957.92

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Solution

The fourth proportional to 163,874.76, 245,836.32 and 83,957.92 is: 125,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,874.76 : 245,836.32 = 83,957.92 : x
  2. Step 2: Convert to fraction form
    163,874.76/245,836.32 = 83,957.92/x
  3. Step 3: Cross multiply
    163,874.76x = 245,836.32 × 83,957.92
  4. Step 4: Simplify right side
    163,874.76x = 20,639,906,087.65
  5. Step 5: Solve for x
    x = 20,639,906,087.65/163,874.76
  6. Step 6: Final answer
    x = 125,949.27

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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.