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Finding the Fourth Proportional to 241,998.80, 362,998.20 and 131,406.80

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Solution

The fourth proportional to 241,998.80, 362,998.20 and 131,406.80 is: 197,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,998.80 : 362,998.20 = 131,406.80 : x
  2. Step 2: Convert to fraction form
    241,998.80/362,998.20 = 131,406.80/x
  3. Step 3: Cross multiply
    241,998.80x = 362,998.20 × 131,406.80
  4. Step 4: Simplify right side
    241,998.80x = 47,700,431,867.76
  5. Step 5: Solve for x
    x = 47,700,431,867.76/241,998.80
  6. Step 6: Final answer
    x = 197,110.20

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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.