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Finding the Fourth Proportional to 173,954.85, 260,850.03 and 67,388.72

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Solution

The fourth proportional to 173,954.85, 260,850.03 and 67,388.72 is: 101,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,954.85 : 260,850.03 = 67,388.72 : x
  2. Step 2: Convert to fraction form
    173,954.85/260,850.03 = 67,388.72/x
  3. Step 3: Cross multiply
    173,954.85x = 260,850.03 × 67,388.72
  4. Step 4: Simplify right side
    173,954.85x = 17,578,349,633.66
  5. Step 5: Solve for x
    x = 17,578,349,633.66/173,954.85
  6. Step 6: Final answer
    x = 101,051.22

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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.