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Finding the Fourth Proportional to 169,724.29, 234,193.48 and 98,090.48

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Solution

The fourth proportional to 169,724.29, 234,193.48 and 98,090.48 is: 135,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,724.29 : 234,193.48 = 98,090.48 : x
  2. Step 2: Convert to fraction form
    169,724.29/234,193.48 = 98,090.48/x
  3. Step 3: Cross multiply
    169,724.29x = 234,193.48 × 98,090.48
  4. Step 4: Simplify right side
    169,724.29x = 22,972,150,866.07
  5. Step 5: Solve for x
    x = 22,972,150,866.07/169,724.29
  6. Step 6: Final answer
    x = 135,349.81

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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.