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Finding the Fourth Proportional to 173,003.68, 259,483.20 and 54,687

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Solution

The fourth proportional to 173,003.68, 259,483.20 and 54,687 is: 82,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,003.68 : 259,483.20 = 54,687 : x
  2. Step 2: Convert to fraction form
    173,003.68/259,483.20 = 54,687/x
  3. Step 3: Cross multiply
    173,003.68x = 259,483.20 × 54,687
  4. Step 4: Simplify right side
    173,003.68x = 14,190,357,758.40
  5. Step 5: Solve for x
    x = 14,190,357,758.40/173,003.68
  6. Step 6: Final answer
    x = 82,023.44

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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.