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Finding the Fourth Proportional to 173,190.13, 259,583.51 and 73,317.13

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Solution

The fourth proportional to 173,190.13, 259,583.51 and 73,317.13 is: 109,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,190.13 : 259,583.51 = 73,317.13 : x
  2. Step 2: Convert to fraction form
    173,190.13/259,583.51 = 73,317.13/x
  3. Step 3: Cross multiply
    173,190.13x = 259,583.51 × 73,317.13
  4. Step 4: Simplify right side
    173,190.13x = 19,031,917,581.94
  5. Step 5: Solve for x
    x = 19,031,917,581.94/173,190.13
  6. Step 6: Final answer
    x = 109,890.31

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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.