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Finding the Fourth Proportional to 146,679.22, 219,983.59 and 67,717.59

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Solution

The fourth proportional to 146,679.22, 219,983.59 and 67,717.59 is: 101,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679.22 : 219,983.59 = 67,717.59 : x
  2. Step 2: Convert to fraction form
    146,679.22/219,983.59 = 67,717.59/x
  3. Step 3: Cross multiply
    146,679.22x = 219,983.59 × 67,717.59
  4. Step 4: Simplify right side
    146,679.22x = 14,896,758,554.35
  5. Step 5: Solve for x
    x = 14,896,758,554.35/146,679.22
  6. Step 6: Final answer
    x = 101,560.12

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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.