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Finding the Fourth Proportional to 116,940.44, 161,377.80 and 63,225.44

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Solution

The fourth proportional to 116,940.44, 161,377.80 and 63,225.44 is: 87,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,940.44 : 161,377.80 = 63,225.44 : x
  2. Step 2: Convert to fraction form
    116,940.44/161,377.80 = 63,225.44/x
  3. Step 3: Cross multiply
    116,940.44x = 161,377.80 × 63,225.44
  4. Step 4: Simplify right side
    116,940.44x = 10,203,182,411.23
  5. Step 5: Solve for x
    x = 10,203,182,411.23/116,940.44
  6. Step 6: Final answer
    x = 87,251.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.