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Finding the Fourth Proportional to 169,902.94, 234,495.03 and 98,326.54

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Solution

The fourth proportional to 169,902.94, 234,495.03 and 98,326.54 is: 135,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,902.94 : 234,495.03 = 98,326.54 : x
  2. Step 2: Convert to fraction form
    169,902.94/234,495.03 = 98,326.54/x
  3. Step 3: Cross multiply
    169,902.94x = 234,495.03 × 98,326.54
  4. Step 4: Simplify right side
    169,902.94x = 23,057,084,947.10
  5. Step 5: Solve for x
    x = 23,057,084,947.10/169,902.94
  6. Step 6: Final answer
    x = 135,707.39

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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.