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Finding the Fourth Proportional to 168,101.10, 252,151.65 and 155,270.70

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Solution

The fourth proportional to 168,101.10, 252,151.65 and 155,270.70 is: 232,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,101.10 : 252,151.65 = 155,270.70 : x
  2. Step 2: Convert to fraction form
    168,101.10/252,151.65 = 155,270.70/x
  3. Step 3: Cross multiply
    168,101.10x = 252,151.65 × 155,270.70
  4. Step 4: Simplify right side
    168,101.10x = 39,151,763,201.66
  5. Step 5: Solve for x
    x = 39,151,763,201.66/168,101.10
  6. Step 6: Final answer
    x = 232,906.05

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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.