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Finding the Fourth Proportional to 73,586.80, 110,428.80 and 41,996.80

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Solution

The fourth proportional to 73,586.80, 110,428.80 and 41,996.80 is: 63,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,586.80 : 110,428.80 = 41,996.80 : x
  2. Step 2: Convert to fraction form
    73,586.80/110,428.80 = 41,996.80/x
  3. Step 3: Cross multiply
    73,586.80x = 110,428.80 × 41,996.80
  4. Step 4: Simplify right side
    73,586.80x = 4,637,656,227.84
  5. Step 5: Solve for x
    x = 4,637,656,227.84/73,586.80
  6. Step 6: Final answer
    x = 63,022.94

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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.