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Finding the Fourth Proportional to 123,449.76, 185,136.48 and 44,553.96

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Solution

The fourth proportional to 123,449.76, 185,136.48 and 44,553.96 is: 66,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,449.76 : 185,136.48 = 44,553.96 : x
  2. Step 2: Convert to fraction form
    123,449.76/185,136.48 = 44,553.96/x
  3. Step 3: Cross multiply
    123,449.76x = 185,136.48 × 44,553.96
  4. Step 4: Simplify right side
    123,449.76x = 8,248,563,324.46
  5. Step 5: Solve for x
    x = 8,248,563,324.46/123,449.76
  6. Step 6: Final answer
    x = 66,817.17

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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.