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Finding the Fourth Proportional to 116,889.58, 161,308.36 and 63,174.48

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Solution

The fourth proportional to 116,889.58, 161,308.36 and 63,174.48 is: 87,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,889.58 : 161,308.36 = 63,174.48 : x
  2. Step 2: Convert to fraction form
    116,889.58/161,308.36 = 63,174.48/x
  3. Step 3: Cross multiply
    116,889.58x = 161,308.36 × 63,174.48
  4. Step 4: Simplify right side
    116,889.58x = 10,190,571,762.65
  5. Step 5: Solve for x
    x = 10,190,571,762.65/116,889.58
  6. Step 6: Final answer
    x = 87,181.18

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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.