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Finding the Fourth Proportional to 168,010.60, 252,015.90 and 162,308.20

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Solution

The fourth proportional to 168,010.60, 252,015.90 and 162,308.20 is: 243,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,010.60 : 252,015.90 = 162,308.20 : x
  2. Step 2: Convert to fraction form
    168,010.60/252,015.90 = 162,308.20/x
  3. Step 3: Cross multiply
    168,010.60x = 252,015.90 × 162,308.20
  4. Step 4: Simplify right side
    168,010.60x = 40,904,247,100.38
  5. Step 5: Solve for x
    x = 40,904,247,100.38/168,010.60
  6. Step 6: Final answer
    x = 243,462.30

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1.5x scale

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.