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Finding the Fourth Proportional to 101,896.59, 140,614.23 and 55,956.15

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Solution

The fourth proportional to 101,896.59, 140,614.23 and 55,956.15 is: 77,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,896.59 : 140,614.23 = 55,956.15 : x
  2. Step 2: Convert to fraction form
    101,896.59/140,614.23 = 55,956.15/x
  3. Step 3: Cross multiply
    101,896.59x = 140,614.23 × 55,956.15
  4. Step 4: Simplify right side
    101,896.59x = 7,868,230,946.01
  5. Step 5: Solve for x
    x = 7,868,230,946.01/101,896.59
  6. Step 6: Final answer
    x = 77,217.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.