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Finding the Fourth Proportional to 234,991.48, 352,635.37 and 100,055.40

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Solution

The fourth proportional to 234,991.48, 352,635.37 and 100,055.40 is: 150,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,991.48 : 352,635.37 = 100,055.40 : x
  2. Step 2: Convert to fraction form
    234,991.48/352,635.37 = 100,055.40/x
  3. Step 3: Cross multiply
    234,991.48x = 352,635.37 × 100,055.40
  4. Step 4: Simplify right side
    234,991.48x = 35,283,073,973.36
  5. Step 5: Solve for x
    x = 35,283,073,973.36/234,991.48
  6. Step 6: Final answer
    x = 150,146.18

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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.