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Finding the Fourth Proportional to 173,169.64, 259,761.88 and 68,011.38

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Solution

The fourth proportional to 173,169.64, 259,761.88 and 68,011.38 is: 102,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,169.64 : 259,761.88 = 68,011.38 : x
  2. Step 2: Convert to fraction form
    173,169.64/259,761.88 = 68,011.38/x
  3. Step 3: Cross multiply
    173,169.64x = 259,761.88 × 68,011.38
  4. Step 4: Simplify right side
    173,169.64x = 17,666,763,930.19
  5. Step 5: Solve for x
    x = 17,666,763,930.19/173,169.64
  6. Step 6: Final answer
    x = 102,019.98

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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.