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Finding the Fourth Proportional to 195,403.80, 274,187.40 and 195,403.80

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Solution

The fourth proportional to 195,403.80, 274,187.40 and 195,403.80 is: 274,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,403.80 : 274,187.40 = 195,403.80 : x
  2. Step 2: Convert to fraction form
    195,403.80/274,187.40 = 195,403.80/x
  3. Step 3: Cross multiply
    195,403.80x = 274,187.40 × 195,403.80
  4. Step 4: Simplify right side
    195,403.80x = 53,577,259,872.12
  5. Step 5: Solve for x
    x = 53,577,259,872.12/195,403.80
  6. Step 6: Final answer
    x = 274,187.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.