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Finding the Fourth Proportional to 92,198.80, 127,166.46 and 63,528.04

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Solution

The fourth proportional to 92,198.80, 127,166.46 and 63,528.04 is: 87,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,198.80 : 127,166.46 = 63,528.04 : x
  2. Step 2: Convert to fraction form
    92,198.80/127,166.46 = 63,528.04/x
  3. Step 3: Cross multiply
    92,198.80x = 127,166.46 × 63,528.04
  4. Step 4: Simplify right side
    92,198.80x = 8,078,635,957.54
  5. Step 5: Solve for x
    x = 8,078,635,957.54/92,198.80
  6. Step 6: Final answer
    x = 87,621.92

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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.