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Finding the Fourth Proportional to 173,159.07, 259,765.92 and 73,319.82

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Solution

The fourth proportional to 173,159.07, 259,765.92 and 73,319.82 is: 109,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,159.07 : 259,765.92 = 73,319.82 : x
  2. Step 2: Convert to fraction form
    173,159.07/259,765.92 = 73,319.82/x
  3. Step 3: Cross multiply
    173,159.07x = 259,765.92 × 73,319.82
  4. Step 4: Simplify right side
    173,159.07x = 19,045,990,496.53
  5. Step 5: Solve for x
    x = 19,045,990,496.53/173,159.07
  6. Step 6: Final answer
    x = 109,991.30

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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.