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Finding the Fourth Proportional to 234,802.80, 352,171.26 and 77,010.75

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Solution

The fourth proportional to 234,802.80, 352,171.26 and 77,010.75 is: 115,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,802.80 : 352,171.26 = 77,010.75 : x
  2. Step 2: Convert to fraction form
    234,802.80/352,171.26 = 77,010.75/x
  3. Step 3: Cross multiply
    234,802.80x = 352,171.26 × 77,010.75
  4. Step 4: Simplify right side
    234,802.80x = 27,120,972,861.05
  5. Step 5: Solve for x
    x = 27,120,972,861.05/234,802.80
  6. Step 6: Final answer
    x = 115,505.32

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1.5x scale

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.