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Finding the Fourth Proportional to 168,025.20, 252,037.80 and 164,088.60

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Solution

The fourth proportional to 168,025.20, 252,037.80 and 164,088.60 is: 246,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025.20 : 252,037.80 = 164,088.60 : x
  2. Step 2: Convert to fraction form
    168,025.20/252,037.80 = 164,088.60/x
  3. Step 3: Cross multiply
    168,025.20x = 252,037.80 × 164,088.60
  4. Step 4: Simplify right side
    168,025.20x = 41,356,529,749.08
  5. Step 5: Solve for x
    x = 41,356,529,749.08/168,025.20
  6. Step 6: Final answer
    x = 246,132.90

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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.