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Finding the Fourth Proportional to 169,935.87, 234,540.87 and 98,355.36

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Solution

The fourth proportional to 169,935.87, 234,540.87 and 98,355.36 is: 135,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,935.87 : 234,540.87 = 98,355.36 : x
  2. Step 2: Convert to fraction form
    169,935.87/234,540.87 = 98,355.36/x
  3. Step 3: Cross multiply
    169,935.87x = 234,540.87 × 98,355.36
  4. Step 4: Simplify right side
    169,935.87x = 23,068,352,214.26
  5. Step 5: Solve for x
    x = 23,068,352,214.26/169,935.87
  6. Step 6: Final answer
    x = 135,747.40

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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.