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Finding the Fourth Proportional to 173,165.40, 259,723.80 and 54,848.70

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Solution

The fourth proportional to 173,165.40, 259,723.80 and 54,848.70 is: 82,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,165.40 : 259,723.80 = 54,848.70 : x
  2. Step 2: Convert to fraction form
    173,165.40/259,723.80 = 54,848.70/x
  3. Step 3: Cross multiply
    173,165.40x = 259,723.80 × 54,848.70
  4. Step 4: Simplify right side
    173,165.40x = 14,245,512,789.06
  5. Step 5: Solve for x
    x = 14,245,512,789.06/173,165.40
  6. Step 6: Final answer
    x = 82,265.35

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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.