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Finding the Fourth Proportional to 118,092.96, 162,962.28 and 67,099.04

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Solution

The fourth proportional to 118,092.96, 162,962.28 and 67,099.04 is: 92,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,092.96 : 162,962.28 = 67,099.04 : x
  2. Step 2: Convert to fraction form
    118,092.96/162,962.28 = 67,099.04/x
  3. Step 3: Cross multiply
    118,092.96x = 162,962.28 × 67,099.04
  4. Step 4: Simplify right side
    118,092.96x = 10,934,612,544.21
  5. Step 5: Solve for x
    x = 10,934,612,544.21/118,092.96
  6. Step 6: Final answer
    x = 92,593.26

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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.