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Finding the Fourth Proportional to 92,199.30, 127,167.15 and 63,528.54

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Solution

The fourth proportional to 92,199.30, 127,167.15 and 63,528.54 is: 87,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,199.30 : 127,167.15 = 63,528.54 : x
  2. Step 2: Convert to fraction form
    92,199.30/127,167.15 = 63,528.54/x
  3. Step 3: Cross multiply
    92,199.30x = 127,167.15 × 63,528.54
  4. Step 4: Simplify right side
    92,199.30x = 8,078,743,375.46
  5. Step 5: Solve for x
    x = 8,078,743,375.46/92,199.30
  6. Step 6: Final answer
    x = 87,622.61

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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.