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Finding the Fourth Proportional to 251,130.74, 376,690.95 and 73,633.82

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Solution

The fourth proportional to 251,130.74, 376,690.95 and 73,633.82 is: 110,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,130.74 : 376,690.95 = 73,633.82 : x
  2. Step 2: Convert to fraction form
    251,130.74/376,690.95 = 73,633.82/x
  3. Step 3: Cross multiply
    251,130.74x = 376,690.95 × 73,633.82
  4. Step 4: Simplify right side
    251,130.74x = 27,737,193,607.93
  5. Step 5: Solve for x
    x = 27,737,193,607.93/251,130.74
  6. Step 6: Final answer
    x = 110,449.22

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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.