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Finding the Fourth Proportional to 173,186.80, 259,261.80 and 154,524.40

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Solution

The fourth proportional to 173,186.80, 259,261.80 and 154,524.40 is: 231,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,186.80 : 259,261.80 = 154,524.40 : x
  2. Step 2: Convert to fraction form
    173,186.80/259,261.80 = 154,524.40/x
  3. Step 3: Cross multiply
    173,186.80x = 259,261.80 × 154,524.40
  4. Step 4: Simplify right side
    173,186.80x = 40,062,274,087.92
  5. Step 5: Solve for x
    x = 40,062,274,087.92/173,186.80
  6. Step 6: Final answer
    x = 231,324.06

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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.