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Finding the Fourth Proportional to 173,051.86, 259,466.19 and 67,881.46

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Solution

The fourth proportional to 173,051.86, 259,466.19 and 67,881.46 is: 101,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,051.86 : 259,466.19 = 67,881.46 : x
  2. Step 2: Convert to fraction form
    173,051.86/259,466.19 = 67,881.46/x
  3. Step 3: Cross multiply
    173,051.86x = 259,466.19 × 67,881.46
  4. Step 4: Simplify right side
    173,051.86x = 17,612,943,797.84
  5. Step 5: Solve for x
    x = 17,612,943,797.84/173,051.86
  6. Step 6: Final answer
    x = 101,778.41

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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.