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Finding the Fourth Proportional to 169,698.08, 254,602.42 and 80,940.04

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Solution

The fourth proportional to 169,698.08, 254,602.42 and 80,940.04 is: 121,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,698.08 : 254,602.42 = 80,940.04 : x
  2. Step 2: Convert to fraction form
    169,698.08/254,602.42 = 80,940.04/x
  3. Step 3: Cross multiply
    169,698.08x = 254,602.42 × 80,940.04
  4. Step 4: Simplify right side
    169,698.08x = 20,607,529,220.04
  5. Step 5: Solve for x
    x = 20,607,529,220.04/169,698.08
  6. Step 6: Final answer
    x = 121,436.43

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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.