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Finding the Fourth Proportional to 173,267.10, 259,900.65 and 106,490.70

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Solution

The fourth proportional to 173,267.10, 259,900.65 and 106,490.70 is: 159,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,267.10 : 259,900.65 = 106,490.70 : x
  2. Step 2: Convert to fraction form
    173,267.10/259,900.65 = 106,490.70/x
  3. Step 3: Cross multiply
    173,267.10x = 259,900.65 × 106,490.70
  4. Step 4: Simplify right side
    173,267.10x = 27,677,002,148.96
  5. Step 5: Solve for x
    x = 27,677,002,148.96/173,267.10
  6. Step 6: Final answer
    x = 159,736.05

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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.