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Finding the Fourth Proportional to 116,752.82, 161,122.84 and 69,047.06

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Solution

The fourth proportional to 116,752.82, 161,122.84 and 69,047.06 is: 95,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,752.82 : 161,122.84 = 69,047.06 : x
  2. Step 2: Convert to fraction form
    116,752.82/161,122.84 = 69,047.06/x
  3. Step 3: Cross multiply
    116,752.82x = 161,122.84 × 69,047.06
  4. Step 4: Simplify right side
    116,752.82x = 11,125,057,422.62
  5. Step 5: Solve for x
    x = 11,125,057,422.62/116,752.82
  6. Step 6: Final answer
    x = 95,287.27

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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.