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Finding the Fourth Proportional to 168,114.40, 252,463.20 and 162,865.60

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Solution

The fourth proportional to 168,114.40, 252,463.20 and 162,865.60 is: 244,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,114.40 : 252,463.20 = 162,865.60 : x
  2. Step 2: Convert to fraction form
    168,114.40/252,463.20 = 162,865.60/x
  3. Step 3: Cross multiply
    168,114.40x = 252,463.20 × 162,865.60
  4. Step 4: Simplify right side
    168,114.40x = 41,117,570,545.92
  5. Step 5: Solve for x
    x = 41,117,570,545.92/168,114.40
  6. Step 6: Final answer
    x = 244,580.90

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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.