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Finding the Fourth Proportional to 123,589.74, 185,384.53 and 44,685.51

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Solution

The fourth proportional to 123,589.74, 185,384.53 and 44,685.51 is: 67,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589.74 : 185,384.53 = 44,685.51 : x
  2. Step 2: Convert to fraction form
    123,589.74/185,384.53 = 44,685.51/x
  3. Step 3: Cross multiply
    123,589.74x = 185,384.53 × 44,685.51
  4. Step 4: Simplify right side
    123,589.74x = 8,284,002,269.16
  5. Step 5: Solve for x
    x = 8,284,002,269.16/123,589.74
  6. Step 6: Final answer
    x = 67,028.24

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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.