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Finding the Fourth Proportional to 365,087.25, 547,682.79 and 112,388.82

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Solution

The fourth proportional to 365,087.25, 547,682.79 and 112,388.82 is: 168,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,087.25 : 547,682.79 = 112,388.82 : x
  2. Step 2: Convert to fraction form
    365,087.25/547,682.79 = 112,388.82/x
  3. Step 3: Cross multiply
    365,087.25x = 547,682.79 × 112,388.82
  4. Step 4: Simplify right side
    365,087.25x = 61,553,422,502.41
  5. Step 5: Solve for x
    x = 61,553,422,502.41/365,087.25
  6. Step 6: Final answer
    x = 168,599.21

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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.