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Finding the Fourth Proportional to 163,874.44, 245,835.85 and 83,957.61

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Solution

The fourth proportional to 163,874.44, 245,835.85 and 83,957.61 is: 125,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,874.44 : 245,835.85 = 83,957.61 : x
  2. Step 2: Convert to fraction form
    163,874.44/245,835.85 = 83,957.61/x
  3. Step 3: Cross multiply
    163,874.44x = 245,835.85 × 83,957.61
  4. Step 4: Simplify right side
    163,874.44x = 20,639,790,418.32
  5. Step 5: Solve for x
    x = 20,639,790,418.32/163,874.44
  6. Step 6: Final answer
    x = 125,948.81

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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.