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Finding the Fourth Proportional to 168,298.10, 252,321.60 and 101,724.20

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Solution

The fourth proportional to 168,298.10, 252,321.60 and 101,724.20 is: 152,510.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,298.10 : 252,321.60 = 101,724.20 : x
  2. Step 2: Convert to fraction form
    168,298.10/252,321.60 = 101,724.20/x
  3. Step 3: Cross multiply
    168,298.10x = 252,321.60 × 101,724.20
  4. Step 4: Simplify right side
    168,298.10x = 25,667,212,902.72
  5. Step 5: Solve for x
    x = 25,667,212,902.72/168,298.10
  6. Step 6: Final answer
    x = 152,510.41

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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.