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Finding the Fourth Proportional to 169,409.33, 254,096.17 and 69,580.07

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Solution

The fourth proportional to 169,409.33, 254,096.17 and 69,580.07 is: 104,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,409.33 : 254,096.17 = 69,580.07 : x
  2. Step 2: Convert to fraction form
    169,409.33/254,096.17 = 69,580.07/x
  3. Step 3: Cross multiply
    169,409.33x = 254,096.17 × 69,580.07
  4. Step 4: Simplify right side
    169,409.33x = 17,680,027,850.90
  5. Step 5: Solve for x
    x = 17,680,027,850.90/169,409.33
  6. Step 6: Final answer
    x = 104,362.78

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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.