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Finding the Fourth Proportional to 101,679.63, 152,448.30 and 73,234.95

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Solution

The fourth proportional to 101,679.63, 152,448.30 and 73,234.95 is: 109,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,679.63 : 152,448.30 = 73,234.95 : x
  2. Step 2: Convert to fraction form
    101,679.63/152,448.30 = 73,234.95/x
  3. Step 3: Cross multiply
    101,679.63x = 152,448.30 × 73,234.95
  4. Step 4: Simplify right side
    101,679.63x = 11,164,543,628.09
  5. Step 5: Solve for x
    x = 11,164,543,628.09/101,679.63
  6. Step 6: Final answer
    x = 109,801.18

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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.