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Finding the Fourth Proportional to 169,223.31, 253,751.67 and 69,356.34

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Solution

The fourth proportional to 169,223.31, 253,751.67 and 69,356.34 is: 104,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,223.31 : 253,751.67 = 69,356.34 : x
  2. Step 2: Convert to fraction form
    169,223.31/253,751.67 = 69,356.34/x
  3. Step 3: Cross multiply
    169,223.31x = 253,751.67 × 69,356.34
  4. Step 4: Simplify right side
    169,223.31x = 17,599,287,100.09
  5. Step 5: Solve for x
    x = 17,599,287,100.09/169,223.31
  6. Step 6: Final answer
    x = 104,000.37

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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.