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Finding the Fourth Proportional to 169,724.97, 254,554.65 and 161,295.30

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Solution

The fourth proportional to 169,724.97, 254,554.65 and 161,295.30 is: 241,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,724.97 : 254,554.65 = 161,295.30 : x
  2. Step 2: Convert to fraction form
    169,724.97/254,554.65 = 161,295.30/x
  3. Step 3: Cross multiply
    169,724.97x = 254,554.65 × 161,295.30
  4. Step 4: Simplify right side
    169,724.97x = 41,058,468,638.15
  5. Step 5: Solve for x
    x = 41,058,468,638.15/169,724.97
  6. Step 6: Final answer
    x = 241,911.77

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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.