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Finding the Fourth Proportional to 173,593.82, 260,489.07 and 68,486.60

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Solution

The fourth proportional to 173,593.82, 260,489.07 and 68,486.60 is: 102,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,593.82 : 260,489.07 = 68,486.60 : x
  2. Step 2: Convert to fraction form
    173,593.82/260,489.07 = 68,486.60/x
  3. Step 3: Cross multiply
    173,593.82x = 260,489.07 × 68,486.60
  4. Step 4: Simplify right side
    173,593.82x = 17,840,010,741.46
  5. Step 5: Solve for x
    x = 17,840,010,741.46/173,593.82
  6. Step 6: Final answer
    x = 102,768.70

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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.