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Finding the Fourth Proportional to 162,968.40, 244,452.60 and 92,109.60

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Solution

The fourth proportional to 162,968.40, 244,452.60 and 92,109.60 is: 138,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,968.40 : 244,452.60 = 92,109.60 : x
  2. Step 2: Convert to fraction form
    162,968.40/244,452.60 = 92,109.60/x
  3. Step 3: Cross multiply
    162,968.40x = 244,452.60 × 92,109.60
  4. Step 4: Simplify right side
    162,968.40x = 22,516,431,204.96
  5. Step 5: Solve for x
    x = 22,516,431,204.96/162,968.40
  6. Step 6: Final answer
    x = 138,164.40

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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.