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Finding the Fourth Proportional to 173,273.40, 259,885.80 and 54,956.70

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Solution

The fourth proportional to 173,273.40, 259,885.80 and 54,956.70 is: 82,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,273.40 : 259,885.80 = 54,956.70 : x
  2. Step 2: Convert to fraction form
    173,273.40/259,885.80 = 54,956.70/x
  3. Step 3: Cross multiply
    173,273.40x = 259,885.80 × 54,956.70
  4. Step 4: Simplify right side
    173,273.40x = 14,282,465,944.86
  5. Step 5: Solve for x
    x = 14,282,465,944.86/173,273.40
  6. Step 6: Final answer
    x = 82,427.34

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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.