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Finding the Fourth Proportional to 251,052.71, 376,578.90 and 73,559.61

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Solution

The fourth proportional to 251,052.71, 376,578.90 and 73,559.61 is: 110,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,052.71 : 376,578.90 = 73,559.61 : x
  2. Step 2: Convert to fraction form
    251,052.71/376,578.90 = 73,559.61/x
  3. Step 3: Cross multiply
    251,052.71x = 376,578.90 × 73,559.61
  4. Step 4: Simplify right side
    251,052.71x = 27,700,997,018.23
  5. Step 5: Solve for x
    x = 27,700,997,018.23/251,052.71
  6. Step 6: Final answer
    x = 110,339.37

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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.