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Finding the Fourth Proportional to 123,496.58, 185,260.57 and 39,226.68

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Solution

The fourth proportional to 123,496.58, 185,260.57 and 39,226.68 is: 58,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,496.58 : 185,260.57 = 39,226.68 : x
  2. Step 2: Convert to fraction form
    123,496.58/185,260.57 = 39,226.68/x
  3. Step 3: Cross multiply
    123,496.58x = 185,260.57 × 39,226.68
  4. Step 4: Simplify right side
    123,496.58x = 7,267,156,997.94
  5. Step 5: Solve for x
    x = 7,267,156,997.94/123,496.58
  6. Step 6: Final answer
    x = 58,845.00

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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.