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Finding the Fourth Proportional to 225,062.80, 337,645.40 and 131,520.40

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Solution

The fourth proportional to 225,062.80, 337,645.40 and 131,520.40 is: 197,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,062.80 : 337,645.40 = 131,520.40 : x
  2. Step 2: Convert to fraction form
    225,062.80/337,645.40 = 131,520.40/x
  3. Step 3: Cross multiply
    225,062.80x = 337,645.40 × 131,520.40
  4. Step 4: Simplify right side
    225,062.80x = 44,407,258,066.16
  5. Step 5: Solve for x
    x = 44,407,258,066.16/225,062.80
  6. Step 6: Final answer
    x = 197,310.52

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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.