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Finding the Fourth Proportional to 218,025.68, 301,103.88 and 150,218.96

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Solution

The fourth proportional to 218,025.68, 301,103.88 and 150,218.96 is: 207,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,025.68 : 301,103.88 = 150,218.96 : x
  2. Step 2: Convert to fraction form
    218,025.68/301,103.88 = 150,218.96/x
  3. Step 3: Cross multiply
    218,025.68x = 301,103.88 × 150,218.96
  4. Step 4: Simplify right side
    218,025.68x = 45,231,511,705.56
  5. Step 5: Solve for x
    x = 45,231,511,705.56/218,025.68
  6. Step 6: Final answer
    x = 207,459.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.